www.arves.org - Yehuda Hoch 70 JT 2016

Studies awarded for the Yehuda Hoch 70 jubilee tournament 2016.

Hoch, Yehuda 1946

[Event "3rd Prize Hoch-70 (IRT 2016)"] [Site ""] [Date "2016"] [Round ""] [White "Keith=D"] [Black ""] [Result "1-0"] [EventDate "????"] [FEN "4b3/5p2/5R2/6RK/7p/7q/7k/4N3 w - - 3 1"] [SetUp "1"] [WhiteTeam "France"] 
 1.Rg4 $3 ( 1.Rd5 $2 Qe3 2.Nf3+ Kg3 $1 ( 2...Kh3 $2 3.Rd4 $1 $18 ) 3.Rg5+ Kh3 $10 ) ( 1.Rg8 $2 Qe3 $1 2.Nf3+ ( 2.Rg2+ Kh3 ) 2...Kh3 $10 ) (  { Logical try } 1.Rg2+ $2 Qxg2 2.Nxg2 Kxg2 3.Kxh4 Bd7 $10 ) (  { Logical try } 1.Nf3+ $5 Qxf3+ 2.Rxf3 { ( B1 ) } 2...f6+ 3.Rg6 $1 Bxg6+ 4.Kxh4 $1 ( 4.Kxg6 Kg2 ) 4...Bb1 $3 ( 4...Kg2 $2 5.Rg3+ $18 ) ( 4...Be4 $2 5.Rf2+ Kg1 6.Kg3 f5 7.Rf4 $1 $18 { zz } ) 5.Rf2+ Kg1 6.Kg3 f5 7.Rf3 $1 (  7.Rd2 f4+ 8.Kxf4 Bg6 $1 9.Kf3 Bh5+ 10.Kg3 Kf1 $10 ) ( 7.Rf4 Be4 $1 $10 { zz } ) 7...Bc2 8.Rc3 f4+ 9.Kxf4 Ba4 $1 $10 ) 1...Qe3 $1 2.Nf3+ $1 ( 2.Rxh4+ $2 Kg3 $1 3.Rg4+ Kh3 4.Rf3+ Qxf3 5.Nxf3 f5+ { /f6+ = } ) ( 2.Rg2+ $2 Kh3 $10 ) 2...Qxf3 ( 2...Kh3 3.Ng5+ $18 ) 3.Rxf3 { ( A1 ) } 3...f5+ 4.Kxh4 $1 (  { Logical try: } 4.Rg6 $2 Bxg6+ 5.Kxh4 $1 Be8 $1 6.Rf2+ Kg1 7.Kg3 { ( B2 ) } 7...Bd7 $1 8.Rf3 $1 ( 8.Rd2 f4+ $10 ) ( 8.Rf4 Be6 $10 ) 8...Bc8 $1 9.Rc3 f4+ $10 ) 4...fxg4 5.Rf2+ Kg1 6.Kg3 { ( A2 ) } 6...Bg6 ( 6...Ba4 7.Ra2 ) 7.Rf8 $1 Bh7 8.Rh8 Bg6 9.Rh6 1-0

[Event "2nd H.M. Hoch-70 (IRT 2016)"] [Site ""] [Date "2016"] [Round ""] [White "Becker=R"] [Black ""] [Result "1-0"] [EventDate "????"] [FEN "8/3B2B1/2R5/qk6/8/p7/4K3/8 w - - 0 1"] [SetUp "1"] [WhiteTeam "USA"] 
 1.Be8 $1 ( 1.Bc3 $2 Qd8 $1 { = } ) ( 1.Bf6 $2 a2 $1 { ( This defense is possible now because Bf6 blocks 2.Rf6+! ) } 2.Re6+ Kb4 3.Re4+ Kb3 4.Be6+ ( 4.Re3+ Kc2 5.Bf5+ $2 Qxf5 { -+ } ) 4...Kc2 5.Rc4+ Kb1 6.Kd1 Qh5+ { = } ) ( 1.Rf6+ $2 Kb4 2.Rf4+ Kb3 3.Be6+ Kc2 4.Bf5+ Kb3 5.Rf3+ Ka2 6.Be6+ Kb1 7.Rf1+ Kc2 8.Bf5+ Kb3 9.Rf3+ Ka2 { = } ) 1...Qb4 2.Kf3 $1 { zz } 2...Qa5 ( 2...a2 3.Rc2+ { +- } ) 3.Re6+ $1 ( 3.Rg6+ $2 Kb4 4.Rg4+ Kb3 5.Bf7+ Kc2 6.Rg2+ Kd3 7.Bg6+ Kc4 8.Rg4+ Kb3 9.Bf7+ Kc2 { = } ) 3...Kc4 4.Re4+ Kb3 ( 4...Kd3 5.Rd4+ Kc2 6.Ba4+ { +- } ) 5.Bf7+ ( 5.Re3+ $2 Kc2 { = } ) 5...Kc2 6.Re2+ Kd3 ( 6...Kd1 7.Bb3+ Kc1 8.Bh6+ { +- } ) 7.Bg6+ Kc4 8.Re4+ Kb3 9.Re3+ $1 Ka2 10.Re2+ Kb3 11.Bf7+ ( 11.Bc2+ $2 Ka2 12.Bg6+ { ( Bf5+ ) } 12...Kb3 13.Bf7+ { etc., loss of time } ) 11...Kb4 12.Re4+ Kc5 13.Re5+ { wins. } 1-0

[Event "5th Comm. Hoch-70 (IRT 2016)"] [Site ""] [Date "2016"] [Round ""] [White "Gurgenidze=D Minski=M"] [Black ""] [Result "1/2-1/2"] [EventDate "????"] [FEN "1Q6/3k3P/q7/2P2pp1/8/5p1K/6n1/2b5 w - - 0 1"] [SetUp "1"] [WhiteTeam "Georgia & Germany"] 
 1.c6+ $1 ( 1.h8=Q $2 g4+ $1 2.Kg3 Bf4+ 3.Qxf4 Nxf4 4.c6+ Qxc6 $19 ) 1...Kxc6 ( 1...Qxc6 2.Qa7+ Kd6 3.h8=Q g4+ 4.Kh2 $1 Bf4+ 5.Kh1 $1 $11 ) 2.h8=Q Nf4+ (  2...g4+ 3.Kg3 Bf4+ 4.Qxf4 Nxf4 5.Qf6+ Kb7 6.Qe7+ { /Qf7+ } 6...Kb6 7.Qf6+ $1 Ka7 8.Qe7+ Qb7 9.Qa3+ Kb6 ( 9...Kb8 10.Qf8+ Qc8 11.Qb4+ Kc7 12.Qc5+ Kd8 13.Qf8+ Kd7 14.Qxf5+ $11 ) 10.Qb4+ { /Qb3+ } 10...Kc6 11.Qc4+ Kd7 12.Qf7+ Kc8 13.Qxf5+ $11 ) 3.Kg3 Nh5+ $1 4.Qxh5 Bf4+ 5.Qxf4 gxf4+ 6.Kh4 $1 ( 6.Kxf3 $2 Qf1# { model mate } ) ( 6.Kxf4 $2 Qa4+ $1 7.Kxf3 Qd1+ $19 { skewer } ) 6...Qd3 $1 ( 6...Qe2 7.Qg6+ $11 ) ( 6...f2 7.Qg6+ Kb5 8.Qxf5+ $11 ) (  6...Qc4 7.Qg6+ Kc7 8.Qg7+ Kd6 9.Qf6+ Qe6 10.Qd4+ $11 ) 7.Qg6+ $1 (  { thematic try: } 7.Qxf5 $2 Qxf5 $2 { model stalemate } ( { but } 7...Qe3 $1 $19 ) ) ( { thematic try: } 7.Qh6+ $2 Kc5 $2 ( { but } 7...Qd6 $1 $19 ) 8.Qxf4 Qd4 ( 8...Qc4 9.Qxc4+ ( 9.Kh3 $2 Qf1+ $1 $19 ) 9...Kxc4 10.Kg3 $11 ) 9.Kh3 $1 Qxf4 { chameleon echo stalemate } ) 7...Kc7 $1 ( 7...Qd6 8.Qxf5 $11 ) 8.Qf7+ $1 ( 8.Qxf5 $2 Qe3 $1 $19 ) ( 8.Qg7+ $2 Kc8 $3 9.Qe5 ( 9.Qf8+ Qd8+ $19 { cross-check } ) 9...Qe3 $1 $19 ) ( 8.Qh7+ $2 Kd6 $1 9.Qg6+ Ke5 10.Qxf5+ Kxf5 $19 ( 10...Qxf5 $2 { model stalemate } ) ) 8...Kd6 9.Qf6+ ( 9.Qxf5 $2 Qe3 $1 $19 ) ( 9.Qg6+ $2 Ke5 $19 ) 9...Kd5 10.Qxf5+ $1 Kd4 ( { main } 10...Qxf5 { model stalemate } ) 11.Qxf4+ Qe4 12.Kh3 $1 { switchback } (  12.Qxe4+ $2 Kxe4 13.Kg3 Ke3 $19 ) ( 12.Kg3 $2 Qxf4+ 13.Kxf4 f2 $19 ) 12...Qxf4 { echo chameleon model stalemate } 1/2-1/2