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2016 Series-Movers and Stalemates Award 2Nd Prize - (George P

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2016 Series-Movers and Stalemates Award 2Nd Prize - (George P 158 159 3rd Commendation As one might expect, we can find New German logic in this problem. White plans to force 1st Commendation 2nd Commendation Valery Kirillov & Black to construct a battery (either orthogonal or diagonal). For that purpose, one black piece W________wAbdelaziz Onkoud W________wFadil Abdurahmanović W________wAlexey Ivunin has to be decoyed beyond a critical square. One decoy alone does not suffice, however: When [wdwdwdRd] [wdwdwdwd] [bdwdrdwd] White tries to force the second piece to interfere, Black defends by moving again the decoyed [dwdwdwdw] [gwdw4pdw] [dwdwdwdw] piece. To prove the soundness of this argument, it is important that there are two lines of [wdwdwGpd] [wdw0Bdwd] [whwdwdpd] verifying play that show that one critical alone move does not suffice. These lines of play are [dwdwgwdw] [dp$wdwdw] [1pdwdw0w] 1.Qc7 2.Qd8+ Re7 3.Qd6+? Re6! and 1.Qc5 2.Qf8+ Bf7 3.Qd6+? Be6!. Therefore, both black [w0pdkdpd] [w0w4bdwd] [ndwHwdwd] pieces have to be decoyed critically: 1.Qc5 2.Qf8+ Bf7 3.Qd8+ Re7, and now 4.Qd6+ leads to [dw)pdq$r] [dKdkdPdw] [dKdNiw0P] two variations, ending with reciprocal uncovered mates: 4...Be6 5.Bxb7 6.Bf3 7.Ke4 8.d4 [wdnIw0bd] [ndwdwdwd] [wdwdrdwd] 9.Qf4+ Bf5# or 4...Re6 5.Qxb4 6.Kd5 7.Bc5 8.Bd6 9.Qd4+ Re5#. This is a true series-mover [dwdwdwdw] [dwdwdwdw] [dwgwdwdw] of the future, opening the avenue into a new world! wh#2½-------- 2 sols. (5+12)w w--------h#3 2 sols. (4+10)w wh#3-------- b) Pg5→g2 (4+12)w 1st Prize 2nd Pr., George P. Sphicas 3rd Prize 1st Honorable Mention Hans Peter Rehm & Václav Kotěšovec Geoff Foster Geoff Foster 1st Commendation - (Abdelaziz Onkoud - H2074) Solution: 1…Kc1 2.Ke3 Bg5+ 3.Bf4 W________wW________w W________w W________w Re8#; 1…cxb4 2.Kd4 Rxg4+ 3.Qe4 Rd8#. [wdBdwdwH][wdwdrdwd] [wdwdwdwd] [wdwdwdwd] 2nd Commendation - (Fadil Abdurahmanović - H2125) Solution: 1.Bxf3 Bg4 2.Re3 Rc1 [dpdwdwdw][Gwdwdwdp] [dwdwdwdw] [Gwdwdwdw] 3.Be4 Rd1#, 1.Rd5 Rc2 2.Be3 Bh3 3.Rd4 Bf1#. [wdwdwiw)][PdwdnIw)] [wdwdw$wd] [pdwdwHwd] 3rd Commendation - (Valery Kirillov & Alexey Ivunin - H2126) Solution: a) 1.Re4 Sb2 [dwdwdwdw][dwdpdwdP] [dwdwdKdk] [iwdKdwdw] [whwIwdP)][wdpdwdw)] [wdwdwdRd] [wdwHwdw$] 2.Kf4 Ka3 3.Be3 Sd3#; b) 1.Be4 Sc2+ 2.Kf3 Ka2 3.Re3 Sd4#. [dwdPdw)w][dwdwdwdP] [dndBdwdw] [dwdR!wdw] [bdwdwGwd][wiPdwdw)] [wdwdwdwd] [Bdwdwdwd] We thank Janos for his expedient award. It stays open for three months. Comments should be [dw!w4wdw][dwdwdwdw] [dwdwdwHw] [dwdwdwdw] sent to Abdelaziz Onkoud. w--------pser-s#9 (10+5)ww --------ser -s#39 C- (9+6w)w --------ser -r#7 (5+2ww) --------ser -r#8 (8+2w) StrateGems 2016 Series-movers and Stalemates Award 2nd Prize - (George P. Sphicas & Václav Kotěšovec - C0571) 1.Bf2 3.a8Q 4.Qa7 5.Qxh7 By Hans Gruber, International Judge of the FIDE 6.Qd3 8.h8Q 9.Qh6 10.Qhd2 13.h8Q 14.Qh5 15.Qhd1 19.h8Q 20.Qh4 21.Qhxc4 26.h8Q 27.Qhh3 28.Qhf1 33.h8Q 34.Qhh4 35.Kf5 36.Kg4 38.Ke2 39.Qhd4+ Sxd4#. A great It was entertaining and rewarding to study the 51 problems published in this section of achievement: six queen promotions in a fantastic open position. The white king is mobile, the StrateGems during the year 2016 (40 series-movers, 11 stalemates). I am grateful for the help of white pieces capture only twice. Only recently, the first author published a problem featuring Erich Bartel (search for anticipations) and Dirk Borst (testing a couple of problems). seven queen promotions in Ser.S# (see diagram A), but the play in C0571 is much better and Unfortunately, some good candidates were cooked. deeper. rd C0584: Cook 1.g4 3.gxf2 4.Ke3 6.dxe1R 7.Rg1 8.f1B 9.axb1R 10.Re1 12.Kd1 15.d2 16.gxh5 3 Prize - (Geoff Foster - C0572) Without the white reflex only four moves would be needed: 20.h1B 21.Sc6 Rxc6=. 1.Be4 2.Rf4 3.Sf3 4.Se5 Sd4#. Solution: 1.Bb1! (1.Sf3? 2.Rh4#, 1.Sh3? 2.Sf4#, 1.Se2? C0591v (correction see SG77): Cook 1.b1Q etc. 2.Sf4/Sg3#, 1.Rf4? 2.Be2#) 2.Rf4! (2.Sh3? 3.Sf4#) 3.Sh3! (3.Sf3/Se2? 4.Rh4/Sg3#) 4.Sf2! C0592v (correction see SG77): Cook 1.cxd1R 2.Rxe1 3.Rd1 4.Rxd5 5.Rc5 6.e1S 7.Sd3 8.Sxf4 (4.Sg5? 5.Sf7 6.Rh6#) 5.Sd3! (5.Sg4/Be4? 6.Rh6/Bf3#) 6.Se5 7.Be4 Sd4#. An excellent 9.Sh3 15.Kh4 16.Rh5 17.Rh6 18.Bxg6 19.Bh7 20.Bg8 21.b1B 22.Bbh7 23.g6 24.Bg5 25.Kh5 presentation of a deep series-mover reflexmate in a light miniature setting. The moves that are Kxh3=. played do not "`just avoid"' white mates, but are subtle, like the hideaway by the bishop or the C0605v: Cook 31.b1R 32.Rxd1 33.Rb1 34.d1S 35.Sxf2 36.Se4 37.g1R 38.Rg2 39.Ra2 40.Bf3 long route of the knight which takes four consecutive moves to reach a square that it could 41.Bd1 42.Rbb2 43.Sd2 44.Sb1 45.d2 46.d3 Rxd1=. reach in two moves. st 1 Honorable Mention - (Geoff Foster - C0586) 1.Rc3! (1.Kc4? 2.Ra3#, 1.Sb5? 2.Qb6#, Section series-movers. 1.Bc5? 2.Ra3#, 1.Bb3? 2.Qe1/Qd2#) 2.Bb3! (2.Qd3? 3.Sc6#, 2.Bc5? 3.Ra3#, 2.Sb5? 3.Qb6#) List of participating series-movers: I-III/2016: p. 6 (G. P. Sphicas), C0568, C0569, C0570, 3.Bc5! (3.Sb5? 4.Qb6#, 3.Qd3? 4.Sc6#) 4.Sb5! (4.Qd3? 5.Sc6#, 4.Kc4? 5.Sc6#) 5.Rd4! C0571, C0572, C0573, C0574, C0575, C0576 [10]; IV-VI/2016: C0577, C0578, C0579, (5.Kc4? 6.Bb6#, 5.Qd3? 6.Ra4#) 6.Kc4! (6.Qd3? 7.Ra4#) 7.Qd3! (7.Sd5? 8.Bb6#) 8.Sd5 C0580, C0581, C0582, C0583, C0584 (cooked), C0585, C0586 [10]; VII-IX/2016: C0587, axb5#. Another good series-mover reflexmate achievement with many white line closures to avoid mating the black king. It is fascinating to flesh out the quite dense solution. C0588, C0589, C0590, C0591v (correction see SG75; again cooked), C0592v (correction see 2nd Honorable Mention 3rd H.M., Tibor Érsek & 1st Commendation 2nd Commendation SG75; again cooked), C0593, C0594, C0595 [9]; X-XII/2016: C0596, C0597, C0598, C0599, W________wAlexey Gasparyan W________wRadovan M. TomaševićW________w Zlatko Mihajloski W________wGeoff Foster C0600, C0601, C0602, C0603, C0604, C0605v (cooked), C0606 [11]. [wdkdwdbd][wdwdwdwd] [wdwdwdwd] [bdwdwdwd] st [dw0w0P0w][dwdpdwdB] [dwdPdwdw] [dwGwdwdw] 1 Prize - (Hans Peter Rehm - C0595) An exciting new discovery -- a series-movers with [w0wdK0n0][Qdw$wdwd] [wHw$wdwd] [wdwdwdwd] defensive play by the other side! This is the most compelling utilization of the parry-type series [dwdwdPdP][dwdw0Kdw] [0wiw)w)w] [dwdNdwdw] movers. As the word Parry indicates, this type offers the opportunity of counterplay, which is [wdw0wdwd][wdw)ndwg] [KdPgw$wd] [wdBdkHwd] much more interesting than using the parry-type to include some extra help moves by the other [dwdPdwdw][0wdwiw0w] [dwdwGPdw] [dwdwdRdw] side. One might discuss in-how-far parry-type series movers still belong to the group of series- [wdwdwdwd][p)p0wdwd] [wdwdPdwd] [wdwdwdwI] movers -- this problem is well balanced between the white series and the black counterplay. [dwdwdwdw][dwGwdwHw] [dwdwdwdw] [dwdRdw!w] w--------ser-s#22 C- (5+10)ww ser-------- -h=15 (8+10ww) --------ser -h#16* (11+3)ww ser-------- -r#8 (8+2)w 158 159 3rd Commendation As one might expect, we can find New German logic in this problem. White plans to force 1st Commendation 2nd Commendation Valery Kirillov & Black to construct a battery (either orthogonal or diagonal). For that purpose, one black piece W________wAbdelaziz Onkoud W________wFadil Abdurahmanović W________wAlexey Ivunin has to be decoyed beyond a critical square. One decoy alone does not suffice, however: When [wdwdwdRd] [wdwdwdwd] [bdwdrdwd] White tries to force the second piece to interfere, Black defends by moving again the decoyed [dwdwdwdw] [gwdw4pdw] [dwdwdwdw] piece. To prove the soundness of this argument, it is important that there are two lines of [wdwdwGpd] [wdw0Bdwd] [whwdwdpd] verifying play that show that one critical alone move does not suffice. These lines of play are [dwdwgwdw] [dp$wdwdw] [1pdwdw0w] 1.Qc7 2.Qd8+ Re7 3.Qd6+? Re6! and 1.Qc5 2.Qf8+ Bf7 3.Qd6+? Be6!. Therefore, both black [w0pdkdpd] [w0w4bdwd] [ndwHwdwd] pieces have to be decoyed critically: 1.Qc5 2.Qf8+ Bf7 3.Qd8+ Re7, and now 4.Qd6+ leads to [dw)pdq$r] [dKdkdPdw] [dKdNiw0P] two variations, ending with reciprocal uncovered mates: 4...Be6 5.Bxb7 6.Bf3 7.Ke4 8.d4 [wdnIw0bd] [ndwdwdwd] [wdwdrdwd] 9.Qf4+ Bf5# or 4...Re6 5.Qxb4 6.Kd5 7.Bc5 8.Bd6 9.Qd4+ Re5#. This is a true series-mover [dwdwdwdw] [dwdwdwdw] [dwgwdwdw] of the future, opening the avenue into a new world! wh#2½-------- 2 sols. (5+12)w w--------h#3 2 sols. (4+10)w wh#3-------- b) Pg5→g2 (4+12)w 1st Prize 2nd Pr., George P. Sphicas 3rd Prize 1st Honorable Mention Hans Peter Rehm & Václav Kotěšovec Geoff Foster Geoff Foster 1st Commendation - (Abdelaziz Onkoud - H2074) Solution: 1…Kc1 2.Ke3 Bg5+ 3.Bf4 W________wW________w W________w W________w Re8#; 1…cxb4 2.Kd4 Rxg4+ 3.Qe4 Rd8#. [wdBdwdwH][wdwdrdwd] [wdwdwdwd] [wdwdwdwd] 2nd Commendation - (Fadil Abdurahmanović - H2125) Solution: 1.Bxf3 Bg4 2.Re3 Rc1 [dpdwdwdw][Gwdwdwdp] [dwdwdwdw] [Gwdwdwdw] 3.Be4 Rd1#, 1.Rd5 Rc2 2.Be3 Bh3 3.Rd4 Bf1#. [wdwdwiw)][PdwdnIw)] [wdwdw$wd] [pdwdwHwd] 3rd Commendation - (Valery Kirillov & Alexey Ivunin - H2126) Solution: a) 1.Re4 Sb2 [dwdwdwdw][dwdpdwdP] [dwdwdKdk] [iwdKdwdw] [whwIwdP)][wdpdwdw)] [wdwdwdRd] [wdwHwdw$] 2.Kf4 Ka3 3.Be3 Sd3#; b) 1.Be4 Sc2+ 2.Kf3 Ka2 3.Re3 Sd4#.
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