MESON Chess Problem Database
Problem Display
PID: 67642 (nB1K4/2NP4/p3Pp2/3NkBP1/1Q4P1/1pPb4/3Rnr2/3q1R2 w - - 0 1)
Shanshin, Valery Yurevich
4th HM., Praca, 1997
#2
13 + 9
| 5418 | FIDE Album (1995-1997) (Annexe) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Sxa8#
- 1...Bc2
- 2.Sxa8#
- 1...Bc4
- 2.Sxa8#
- 1...Be4
- 2.Sxa8#
- 1...Bb5
- 2.Sxa8#
- 1...Sd4
- 2.cxd4#
- 1...Bb1
- Tries
- 1.Ke7?
- threat
- 2.Qd6#
- 1...Bxf5
- 2.Sxa8#
- 1...Sxc3
- 2.Qxc3#
- 1...Rxf5!
- threat
- 1.Sf4?
- threat
- 2.Sxd3#
- 2.Sg6#
- 2.Sxa8#
- 1...Qxd2
- 2.Sg6#
- 2.Sxa8#
- 1...Rxf4
- 2.Qc5#
- 1...Bxf5
- 2.Sxa8#
- 1...Sxf4
- 2.Qd4#
- 1...Sxc7
- 2.Bxc7#
- 1...Bc4
- 2.Sg6#
- 2.Sxa8#
- 2.Qd6#
- 1...Be4
- 2.Sg6#
- 2.Sxa8#
- 2.Qd6#
- 2.Qxe4#
- 1...Qc2
- 2.Sg6#
- 2.Sxa8#
- 1...Qb1
- 2.Sg6#
- 2.Sxa8#
- 1...Rf3
- 2.Sg6#
- 2.Sxa8#
- 1...Bb1
- 2.Sg6#
- 2.Sxa8#
- 2.Qd6#
- 1...Bc2
- 2.Sg6#
- 2.Sxa8#
- 2.Qd6#
- 1...Bb5
- 2.Sg6#
- 2.Sxa8#
- 2.Qd6#
- 2.Qe4#
- 1...Sc1
- 2.Sg6#
- 2.Sxa8#
- 2.Qd4#
- 1...Sb6
- 2.Sxd3#
- 2.Sg6#
- 2.Sb5#
- 2.Scd5#
- 2.Sxa6#
- 2.Sa8#
- 2.Se8#
- 1...fxg5!
- threat
- 1.Se7?
- threat
- 2.Sxa8#
- 2.Sc6#
- 2.Sg6#
- 1...Rxf5
- 2.Sc6#
- 2.Sg6#
- 1...Bxf5
- 2.Sc6#
- 1...Sxc7
- 2.Bxc7#
- 1...Bc4
- 2.Sxa8#
- 2.Sg6#
- 2.Qd6#
- 1...Be4
- 2.Sxa8#
- 2.Sg6#
- 2.Qd6#
- 2.Qxe4#
- 1...Sd4
- 2.Sxa8#
- 2.Sg6#
- 2.Qxd4#
- 1...Bb5
- 2.Sxa8#
- 2.Sg6#
- 2.Qd6#
- 2.Qe4#
- 1...Sf4
- 2.Sxa8#
- 2.Sc6#
- 2.Qd4#
- 1...Sb6
- 2.Sb5#
- 2.Scd5#
- 2.Sxa6#
- 2.Sa8#
- 2.Se8#
- 2.Sc6#
- 2.Sg6#
- 1...fxg5!
- threat
- 1.Sb5+?
- 1...Sc7
- 2.Qd6#
- 1...Kxd5!
- 1...Sc7
- 1.Sxa6+?
- 1...Kxd5
- 2.Qc5#
- 2.Qe4#
- 2.Qb5#
- 1...Sc7!
- 1...Kxd5
- 1.Se8+?
- 1...Sc7
- 2.Qd6#
- 1...Kxd5!
- 1...Sc7
- 1.Rxd3?
- threat
- 2.Sxa8#
- 2.Re3#
- 1...Rxf5
- 2.Rxf5#
- 2.Re3#
- 1...Sxc3
- 2.Sxa8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qc2
- 2.Sxa8#
- 1...Qb1
- 2.Sxa8#
- 1...Qc1
- 2.Sxa8#
- 1...Qd2
- 2.Sxa8#
- 1...Rf3
- 2.Sxa8#
- 1...Rf4
- 2.Sxa8#
- 1...Sg3
- 2.Sxa8#
- 1...Sd4
- 2.Re3#
- 2.cxd4#
- 1...Sb6
- 2.Sb5#
- 2.Sxa6#
- 2.Sa8#
- 2.Se8#
- 2.Re3#
- 1...Qxd3!
- threat
- 1.Qc5?
- threat
- 2.Sxa8#
- 1...Rxf5
- 2.Sxf6#
- 1...Sxc7
- 2.Bxc7#
- 1...Sb6
- 2.Sb5#
- 2.Sxa6#
- 2.Sa8#
- 2.Se8#
- 1...Bxf5!
- threat
- 1.Qe4+?
- 1...Bxe4
- 2.Sxa8#
- 1...Kd6!
- 1...Bxe4
- 1.Ke7?
- Keys
- 1.Sxf6!
- threat
- 2.Sxa8#
- 1...Rxf5
- 2.Qc5#
- 1...Bxf5
- 2.Qd6#
- 1...Sxc7
- 2.Bxc7#
- 1...Sb6
- 2.Sb5#
- 2.Scd5#
- 2.Sxa6#
- 2.Sa8#
- 2.Sce8#
- threat
- 1.Sxf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- B(e);::B(L)+S(J),XS(i)
- S(b);OGATE::P(C),XS(b)
- Tries
- Try
- K(M);S_FLIGHT
- Threat
- QAB1(D)
- Vars
- B(e);XB(G)::B(L)+S(J),XS(i)
- S(b);OGATE,XP(C)::QAB(D),XS(b)
- Refutation
- R(c);XB(G)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(c);XS(F)::QAR2(D)
- B(e);XB(G)::B(L)+S(J),XS(i)
- S(b);N_GUARD,XS(F)::QAB1(D)
- S(i);OGATE,P_SPINS(i),XS(J)::B(L),XS(i)
- Refutation
- P(h);XP(H)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(e);XB(G)::S(F)
- S(i);OGATE,P_SPINS(i),XS(J)::B(L),XS(i)
- Refutation
- P(h);XP(H)
- Try
- S(J);CHECK
- Vars
- S(i);P_SPINS(i)::QAB1(D)
- Refutation
- K(f);P-FLIGHT,P_SPINB(e),XS(F)
- Try
- S(J);CHECK,XP(g)
- Refutation
- S(i);P_SPINS(i)
- Try
- S(J);CHECK
- Vars
- S(i);P_SPINS(i)::QAB1(D)
- Refutation
- K(f);P-FLIGHT,P_SPINB(e),XS(F)
- Try
- R(B);XB(e)
- Threat
- DUALS(2)
- Vars
- S(b);XP(C)::B(L)+S(J),XS(i)
- S(i);OGATE,P_SPINS(i),XS(J)::B(L),XS(i)
- Q(a);::B(L)+S(J),XS(i)
- R(c);::B(L)+S(J),XS(i)
- S(b);::B(L)+S(J),XS(i)
- Refutation
- Q(a);XR(B)
- Try
- Q(D);
- Threat
- B(L)+S(J),XS(i)
- Vars
- R(c);XB(G)::QAR(D)+S(F),XP(h)
- S(i);OGATE,P_SPINS(i),XS(J)::B(L),XS(i)
- Refutation
- B(e);XB(G)
- Try
- Q(D);CHECK
- Vars
- B(e);XQ(D)::B(L)+S(J),XS(i)
- Refutation
- K(f);S_FLIGHT
- Try
- Actual
- S(F);XP(h)
- Threat
- B(L)+S(J),XS(i)
- Vars
- R(c);XB(G)::QAR2(D)
- B(e);XB(G)::QAB1(D)
- S(i);OGATE,P_SPINS(i),XS(J)::B(L),XS(i)
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