MESON Chess Problem Database
Problem Display
PID: 272820 (1B6/5B1P/1K3p2/1Q3pNb/2pk1N2/bP2n3/1P1Pr3/8 w - - 0 1)
Ivanov, V?
Shakhmatnaya kompozitsiya, 1998
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxb2
- 2.Qc5#
- 1...Bc5+
- 2.Qxc5#
- 1...Sd1
- 2.Qxc4#
- 2.Qd5#
- 1...Sf1
- 2.Qxc4#
- 2.Qd5#
- 1...Sc2
- 2.Qxc4#
- 2.Qd5#
- 1...Sg2
- 2.Qxc4#
- 2.Qd5#
- 1...Sg4
- 2.Qxc4#
- 2.Qd5#
- 1...Sd5+
- 2.Qxd5#
- 1...cxb3
- 2.Sfe6#
- 2.Qd3#
- 1...c3
- 2.Sfe6#
- 2.Qd3#
- 2.bxc3#
- 2.dxc3#
- 1...fxg5
- 2.Qe5#
- 1...Bxb2
- Tries
- 1.Bd5?
- threat
- 2.Sge6#
- 1...Bc5+
- 2.Qxc5#
- 1...Sxd5+
- 2.Qxd5#
- 1...fxg5
- 2.h8Q#
- 2.h8B#
- 1...Bf7
- 2.Sf3#
- 1...Sd1
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sc2
- 2.Qxc4#
- 1...Sg2
- 2.Qxc4#
- 1...Sg4
- 2.Sf3#
- 2.Qxc4#
- 1...Bd6!
- threat
- 1.Qc6?
- threat
- 2.Sge6#
- 2.Qxf6#
- 1...Bc5+
- 2.Qxc5#
- 1...Sd5+
- 2.Qxd5#
- 1...Bxf7
- 2.Sf3#
- 2.Qxf6#
- 1...fxg5
- 2.h8Q#
- 2.h8B#
- 1...Be7
- 2.Sge6#
- 1...Sd1
- 2.Qd5#
- 2.Qxc4#
- 1...Sf1
- 2.Qd5#
- 2.Qxc4#
- 1...Sc2
- 2.Qd5#
- 2.Qxc4#
- 1...Sg2
- 2.Qd5#
- 2.Qxc4#
- 1...Sg4
- 2.Sf3#
- 2.Qd5#
- 2.Qxc4#
- 1...Bd6!
- threat
- 1.Qd7+?
- 1...Sd5+
- 2.Qxd5#
- 1...Bd6!
- 1...Sd5+
- 1.Qa5?
- threat
- 2.Qc3#
- 1...Bc5+
- 2.Qxc5#
- 1...Sd5+
- 2.Qxd5#
- 1...Bxb2
- 2.Qc5#
- 1...fxg5
- 2.Qe5#
- 1...Sd1
- 2.Qd5#
- 1...c3
- 2.Qxc3#
- 2.bxc3#
- 2.dxc3#
- 1...Bb4!
- threat
- 1.Qxf5?
- threat
- 2.Sfe6#
- 2.Sge6#
- 2.Qe4#
- 2.Qxf6#
- 1...Bc5+
- 2.Qxc5#
- 1...Sd5+
- 2.Qxd5#
- 1...Bxf7
- 2.Sxe2#
- 2.Sf3#
- 2.Qe4#
- 2.Qxf6#
- 1...cxb3
- 2.Qd3#
- 2.Qe4#
- 2.Qxf6#
- 1...fxg5
- 2.Se6#
- 2.Be5#
- 2.Qe5#
- 2.h8Q#
- 2.h8B#
- 1...Bd6
- 2.Sfe6#
- 2.Sge6#
- 2.Qe4#
- 1...Be7
- 2.Sfe6#
- 2.Sge6#
- 2.Qe4#
- 1...Bf3
- 2.Sfe6#
- 2.Sxf3#
- 2.Sge6#
- 2.Qxf6#
- 1...Bg6
- 2.Sxe2#
- 2.Sfe6#
- 2.Sf3#
- 2.Sge6#
- 2.Qxf6#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sg4
- 2.Sxe2#
- 2.Sf3#
- 2.Qd5#
- 1...Sxf5!
- threat
- 1.bxa3?
- threat
- 2.Qc5#
- 1...Sd5+
- 2.Qxd5#
- 1...fxg5
- 2.Qe5#
- 1...Rxd2!
- threat
- 1.dxe3+?
- 1...Rxe3
- 2.Qxc4#
- 2.Qd5#
- 1...Kxe3!
- 1...Rxe3
- 1.b4?
- threat
- 2.Qc5#
- 1...Sd5+
- 2.Qxd5#
- 1...fxg5
- 2.Qe5#
- 1...Bxb4!
- threat
- 1.Bd5?
- Keys
- 1.Bxc4!
- threat
- 2.Sfe6#
- 1...Bc5+
- 2.Qxc5#
- 1...Sxc4+
- 2.Qxc4#
- 1...Sd5+
- 2.Qxd5#
- 1...fxg5
- 2.Qe5#
- 1...Bf7
- 2.Sxe2#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sg4
- 2.Sxe2#
- 2.Qd5#
- threat
- 1.Bxc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- B(b);N_GUARD,XP(A)::QAB1(E)
- B(b);CHECK,N_GUARD::QAB1(E),XB(b)
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- P(h);N_GUARD,XS(F)::QAB1(E)
- Tries
- Try
- B(H);
- Threat
- S(F)
- Vars
- B(b);CHECK,N_GUARD::QAB1(E),XB(b)
- S(c);CHECK,OGATE,XB(H)::QAR1(E),XS(c)
- P(h);XS(F)::P=Q
- B(g);N_GUARD::S(F)
- S(c);N_GUARD::QAR1(E),XP(d)
- Refutation
- B(b);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::QAB1(E),XB(b)
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- P(h);XS(F)::P=Q
- B(b);::S(F)
- Refutation
- B(b);
- Try
- Q(E);CHECK
- Vars
- S(c);CHECK,N_GUARD,P_SPINS(c)::QAR1(E),XS(c)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(b);CHECK,N_GUARD::QAB1(E),XB(b)
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- B(b);N_GUARD,XP(A)::QAB1(E)
- P(h);N_GUARD,XS(F)::QAB1(E)
- S(c);N_GUARD::QAR1(E)
- Refutation
- B(b);
- Try
- Q(E);XP(f)
- Threat
- DUALS(4)
- Vars
- B(b);CHECK,N_GUARD::QAB1(E),XB(b)
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD::QAR1(E)
- Refutation
- S(c);XQ(E)
- Try
- P(A);XB(b)
- Threat
- QAB1(E)
- Vars
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- P(h);N_GUARD,XS(F)::QAB1(E)
- Refutation
- R(a);XP(B)
- Try
- P(B);CHECK,XS(c)
- Refutation
- K(e);S_FLIGHT,XP(B)
- Try
- P(C);
- Threat
- QAB1(E)
- Vars
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- P(h);N_GUARD,XS(F)::QAB1(E)
- Refutation
- B(b);XP(C)
- Try
- Actual
- B(H);XP(d)
- Threat
- S(D)
- Vars
- B(b);CHECK,N_GUARD::QAB1(E),XB(b)
- S(c);CHECK,OGATE,XB(H)::QAR1(E),XS(c)
- S(c);CHECK,N_GUARD::QAR1(E),XS(c)
- P(h);N_GUARD,XS(F)::QAB1(E)
- B(g);N_GUARD::S(D),XR(a)
- S(c);N_GUARD::QAR1(E)
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