MESON Chess Problem Database
Problem Display
PID: 76252 (B7/3p1N1n/2P2Bp1/Rrpk2pR/b3N1Q1/1Pr5/4Pp2/Kn2b3 w - - 0 1)
Shanshin, Valery Yurevich
Slesarenko, Anatoly Vasilevich
2nd Prize, Kopnin-80 JT, 1998
#2
11 + 12
| 6166 | FIDE Album (1998-2000) | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Sxc3#
- 1...Sxf6
- 2.Sxf6#
- 1...Sf8
- 2.Rxg5#
- 1...c4
- 2.cxd7#
- 2.c7#
- 1...gxh5
- 2.Qf5#
- 1...Sd2
- Tries
- 1.Sxf2?
- threat
- 2.Qxd7#
- 2.Qe4#
- 2.e4#
- 1...Rcxb3
- 2.Qe4#
- 1...Rbxb3
- 2.Qe4#
- 1...Bxf2
- 2.e4#
- 1...Bxb3
- 2.Qe4#
- 1...Sxf6
- 2.Rxg5#
- 1...dxc6
- 2.Qd7#
- 2.Qe4#
- 2.e4#
- 1...Rb7
- 2.Qe4#
- 1...Re3
- 2.Qxd7#
- 2.Qc4#
- 1...Rc4
- 2.Qxd7#
- 2.Qxc4#
- 2.bxc4#
- 1...Rb4
- 2.Qxd7#
- 1...Sd2
- 2.Qxd7#
- 1...Sf8
- 2.Rxg5#
- 2.Qe4#
- 2.e4#
- 1...d6
- 2.Qe4#
- 2.e4#
- 1...c4!
- threat
- 1.Sxc3+?
- 1...Sxc3
- 2.Qc4#
- 1...Bxc3+!
- 1...Sxc3
- 1.Sg3?
- threat
- 2.Qxd7#
- 2.Qe4#
- 2.e4#
- 1...Rcxb3
- 2.Qe4#
- 1...Rxg3
- 2.Qc4#
- 2.e4#
- 1...Rbxb3
- 2.Qe4#
- 1...Bxb3
- 2.Qe4#
- 1...Sxf6
- 2.Rxg5#
- 1...dxc6
- 2.Qd7#
- 2.Qe4#
- 2.e4#
- 1...Rb7
- 2.Qe4#
- 1...Re3
- 2.Qxd7#
- 2.Qc4#
- 1...Rc4
- 2.Qxd7#
- 2.Qxc4#
- 2.bxc4#
- 1...Rb4
- 2.Qxd7#
- 1...Sd2
- 2.Qxd7#
- 1...Sf8
- 2.Rxg5#
- 2.Qe4#
- 2.e4#
- 1...d6
- 2.Qe4#
- 2.e4#
- 1...c4!
- threat
- 1.Sexg5?
- threat
- 2.Qxd7#
- 2.Qe4#
- 2.e4#
- 1...Rcxb3
- 2.Qe4#
- 1...Rbxb3
- 2.Qd4#
- 2.Qe4#
- 1...Bxb3
- 2.Qe4#
- 1...Sxg5
- 2.Rxg5#
- 2.e4#
- 1...dxc6
- 2.Qe6#
- 2.Qd7#
- 2.Qe4#
- 2.e4#
- 1...Rb7
- 2.Qe4#
- 1...c4
- 2.Qd4#
- 1...Re3
- 2.Qxd7#
- 2.Qc4#
- 1...Rc4
- 2.Qxd7#
- 2.Qxc4#
- 2.bxc4#
- 1...Rb4
- 2.Qxd7#
- 1...Sd2
- 2.Qxd7#
- 1...Sf8
- 2.Qe4#
- 2.e4#
- 1...d6
- 2.Qe6#
- 2.Qe4#
- 2.e4#
- 1...Sxf6!
- threat
- 1.Qxg5+?
- 1...Kxe4
- 2.Sd6#
- 2.Rh4#
- 2.Qe5#
- 1...Ke6
- 2.Sd8#
- 2.Qd5#
- 1...Sxg5!
- 1...Kxe4
- 1.Sxf2?
- Keys
- 1.Sxc5!
- threat
- 2.Qd4#
- 1...Kxc5
- 2.Qd4#
- 1...Rcxc5
- 2.e4#
- 1...Rbxc5
- 2.e4#
- 1...Sxf6
- 2.Rxg5#
- 1...Rd3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rb4
- 2.Qxd7#
- 1...Rb7
- 2.Qe4#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD,S_CUTB(b)::S(D),XR(d)
- S(l);XB(I)::S(D),XS(l)
- S(l);N_GUARD::R(G),XP(i)
- P(j);N_GUARD,N_SPINP(i),XR(G)::QAR2(E)
- Tries
- Try
- S(D);XP(c)
- Threat
- DUALS(3)
- Vars
- R(d);XP(C)::QAB1(E)
- R(f);N_SPINP(i),P_SPINP(g),XP(C)::QAB1(E)
- B(b);XS(D)::P(B)
- B(e);XP(C)::QAB1(E)
- S(l);N_GUARD,XB(I)::R(G),XP(i)
- R(f);N_SPINP(i),P_SPINP(g)::QAB1(E)
- R(f);N_SPINP(i),P_SPINP(g)::QAR2(E),XP(k)
- S(a);::QAR2(E),XP(k)
- Refutation
- P(g);P_SPINR(f)
- Try
- S(D);CHECK,XR(d)
- Vars
- S(a);XS(D)::QAB1(E)
- Refutation
- B(b);CHECK,XS(D)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(d);XP(C)::QAB1(E)
- R(f);N_SPINP(i),P_SPINP(g),XP(C)::QAB1(E)
- B(e);XP(C)::QAB1(E)
- S(l);N_GUARD,XB(I)::R(G),XP(i)
- R(f);N_SPINP(i),P_SPINP(g)::QAB1(E)
- R(f);N_SPINP(i),P_SPINP(g)::QAR2(E),XP(k)
- S(a);::QAR2(E),XP(k)
- Refutation
- P(g);P_SPINR(f)
- Try
- S(D);XP(i)
- Threat
- DUALS(3)
- Vars
- R(d);XP(C)::QAB1(E)
- B(e);XP(C)::QAB1(E)
- R(f);P_SPINP(g)::QAB1(E)
- P(g);N_GUARD,P_SPINR(f)::QAR1(E)
- R(f);P_SPINP(g)::QAR2(E),XP(k)
- S(a);::QAR2(E),XP(k)
- Refutation
- S(l);XB(I)
- Try
- Q(E);CHECK,XP(i)
- Refutation
- S(l);P_SPINS(l),XQ(E)
- Try
- Actual
- S(D);XP(g)
- Threat
- QAR1(E)
- Vars
- K(h);P-FLIGHT,P_SPINR(f),XS(D)::QAB1(E)
- R(d);SBLOCK,XS(D)::P(B)
- R(f);P_SPINR(f),XS(D)::P(B)
- S(l);N_GUARD,XB(I)::R(G),XP(i)
- R(d);N_GUARD::QAB1(E)
- R(d);N_GUARD::QAB1(E),XR(d)
- R(f);::QAR2(E),XP(k)
- R(f);::QAB1(E)
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