MESON Chess Problem Database
Problem Display
PID: 11719 (4R3/B7/2p3Nn/p1RP4/3k1p2/1ppN4/3p4/1qb2QKb w - - 0 1)
Gorbatenko, Yuri Grigorevich
Kopnin, Aleksey Grigorevich
1st Place, Kom. Ty. RSFSR, 1971-1972
#2
8 + 11
| 3753 | FIDE Album (1971-1973) | 1978 |
SOLUTION
- SOUND
- Sets
- 1...Bxd5
- 2.Rxc6#
- 1...cxd5
- 2.Rc6#
- 2.Rc7#
- 2.Rcc8#
- 1...Bxd5
- Tries
- 1.Sb4?
- threat
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 2.Qf2#
- 1...Bxd5
- 2.Rc4#
- 2.Rxd5#
- 2.Rxc6#
- 2.Qf2#
- 1...axb4
- 2.Qc4#
- 1...cxd5
- 2.Sc6#
- 2.Rc4#
- 2.Rxa5#
- 2.Rb5#
- 2.Rxd5#
- 2.Rc6#
- 2.Rc7#
- 2.Rcc8#
- 2.Qf2#
- 1...Qe4
- 2.Rc4#
- 2.Rxc6#
- 1...Be4
- 2.Rc4#
- 2.Rxc6#
- 2.Qf2#
- 1...d1Q
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 1...d1S
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...d1B
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...d1R
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 1...Qd3
- 2.Sxc6#
- 2.Rxc6#
- 2.Qxd3#
- 1...Bb2
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 1...Ba3
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 1...Sg4
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...Sf5
- 2.Sxc6#
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...Qxg6+!
- threat
- 1.Sdxf4?
- threat
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 2.Qf2#
- 1...Bxd5
- 2.Rc4#
- 2.Rxd5#
- 2.Rxc6#
- 2.Qf2#
- 1...cxd5
- 2.Rc4#
- 2.Rxa5#
- 2.Rb5#
- 2.Rxd5#
- 2.Rc6#
- 2.Rc7#
- 2.Rcc8#
- 2.Qf2#
- 1...Qe4
- 2.Rc4#
- 2.Rxc6#
- 1...Be4
- 2.Rc4#
- 2.Rxc6#
- 2.Qf2#
- 1...d1Q
- 2.Rc4#
- 2.Rxc6#
- 1...d1S
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...d1B
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...d1R
- 2.Rc4#
- 2.Rxc6#
- 1...Qd3
- 2.Rxc6#
- 2.Qxd3#
- 1...Bb2
- 2.Rc4#
- 2.Rxc6#
- 1...Ba3
- 2.Rc4#
- 1...Sg4
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...Sf5
- 2.Rc4#
- 2.Rxc6#
- 2.Qc4#
- 1...Qxg6+!
- threat
- 1.Sgxf4?
- threat
- 2.Rxc6#
- 2.Qf2#
- 1...Qxd3
- 2.Rxc6#
- 2.Qxd3#
- 1...cxd5
- 2.Rc6#
- 2.Rc7#
- 2.Rcc8#
- 2.Qf2#
- 1...d1Q
- 2.Rxc6#
- 1...d1S
- 2.Rxc6#
- 1...d1B
- 2.Rxc6#
- 1...d1R
- 2.Rxc6#
- 1...Bb2
- 2.Rxc6#
- 1...Sg4
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Ba3!
- threat
- 1.Se7?
- threat
- 2.Sxc6#
- 1...Ke3
- 2.Sf5#
- 1...Ke4
- 2.Rc4#
- 1...cxd5
- 2.Sc6#
- 1...Be4
- 2.Rxc6#
- 1...Bxd5!
- threat
- 1.Rc4+?
- 1...Kxd5
- 2.Rd4#
- 1...Kxc4!
- 1...Kxd5
- 1.Rxa5+?
- 1...Kc4
- 2.Sge5#
- 1...c5!
- 1...Kc4
- 1.Rb5+?
- 1...Kc4
- 2.Sb2#
- 2.Sde5#
- 1...c5!
- 1...Kc4
- 1.Re5?
- threat
- 2.Rxc6#
- 1...cxd5
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Ba3!
- threat
- 1.Qxf4+?
- 1...Be4
- 2.Qxe4#
- 1...Kxd3!
- 1...Be4
- 1.Sb4?
- Keys
- 1.Sge5!
- threat
- 2.Sxc6#
- 1...Ke3
- 2.Sf3#
- 1...Ke4
- 2.Qxf4#
- 1...Bxd5
- 2.Rc4#
- 1...cxd5
- 2.Sc6#
- 2.Rc4#
- 1...Be4
- 2.Qf2#
- threat
- 1.Sge5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(c);SBLOCK,XP(E)::B(G)+R(D),XP(j)
- Tries
- Try
- S(C);
- Threat
- DUALS(5)
- Vars
- P(i);XS(C)::QAR1(A)
- Refutation
- Q(a);CHECK,XS(F)
- Try
- S(C);XP(h)
- Threat
- DUALS(4)
- Vars
- B(b);P_PINQ(A)::B(G)+R(D),DCHECK
- Refutation
- Q(a);CHECK,XS(F)
- Try
- S(F);XP(h)
- Threat
- DUALS(2)
- Vars
- P(d);P_PINQ(A)::B(G)+R(D),XP(j)
- P(d);::B(G)+R(D),XP(j)
- B(b);P_PINQ(A)::B(G)+R(D),XP(j)
- S(k);::B(G)+R(D),XP(j)
- Refutation
- B(b);P_PINQ(A)
- Try
- S(F);
- Threat
- S(F),XP(j)
- Vars
- K(g);S_FLIGHT::R(H)+S(F),DCHECK
- K(g);P-FLIGHT::R(D)
- P(j);XP(E)::S(F)
- B(c);SBLOCK::B(G)+R(D),XP(j)
- Refutation
- B(c);XP(E)
- Try
- R(D);CHECK
- Vars
- K(g);P-FLIGHT,XP(E)::R1(D)
- Refutation
- K(g);P-FLIGHT,XR(D)
- Try
- R(D);CHECK,XP(i)
- Vars
- K(g);P-FLIGHT::S(F)
- Refutation
- P(j);P_SPINP(j)
- Try
- R(D);CHECK
- Refutation
- P(j);P_SPINP(j)
- Try
- R(H);
- Threat
- B(G)+R(D),XP(j)
- Refutation
- B(b);P_PINQ(A)
- Try
- Q(A);CHECK,XP(h)
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAR1(A),XB(c)
- Refutation
- K(g);P-FLIGHT,XS(C)
- Try
- Actual
- S(F);
- Threat
- S(F),XP(j)
- Vars
- K(g);S_FLIGHT::R(H)+S(F)
- K(g);P-FLIGHT::QAR1(A),XP(h)
- B(c);SBLOCK,XP(E)::B(G)+R(D),DCHECK
- B(c);SBLOCK::QAB(A)
Developed and maintained by Brian Stephenson.
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