MESON Chess Problem Database
Problem Display
PID: 269914 (3Kb3/2Qp2BB/7R/6k1/n1r4R/2bN2pP/6r1/7q w - - 0 1)
Zarubin, Eduard
Shakhmatnaya kompozitsiya, 1997
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Bf6#
- 2.Qe5#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Rxg4#
- 1...Rc5
- 2.Rg4#
- 2.Qf4#
- 1...Rc6
- 2.Rg4#
- 2.Qf4#
- 1...Rxc7
- 2.Rg4#
- 1...Be1
- 2.Bf6#
- 2.Qe5#
- 1...Bd2
- 2.Bf6#
- 2.Qe5#
- 1...Bb4
- 2.Bf6#
- 2.Qe5#
- 1...Bd4
- 2.Rg4#
- 2.Qf4#
- 1...Ba5
- 2.Bf6#
- 1...Be5
- 2.Qxe5#
- 1...Bf6+
- 2.Bxf6#
- 1...Bh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Rd4
- Tries
- 1.Bd4?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxh3
- 2.Qf4#
- 1...Rxd4
- 2.Qe5#
- 1...Rxc7
- 2.Be3#
- 1...Bxd4
- 2.Qf4#
- 1...Bh5
- 2.R4xh5#
- 2.R6xh5#
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Qc1
- 2.Qe5#
- 1...Qe1
- 2.Qf4#
- 1...Re2
- 2.Qxg3#
- 2.Qf4#
- 1...Rf2
- 2.Qxg3#
- 1...Rc5
- 2.Be3#
- 2.Qf4#
- 1...Bd2
- 2.Bf6#
- 2.Qe5#
- 1...Ba5
- 2.Bf6#
- 1...d6
- 2.Qe7#
- 1...Qf1!
- threat
- 1.Be4?
- threat
- 2.Rg4#
- 2.Qf4#
- 1...Bf6+
- 2.Bxf6#
- 1...Qxh3
- 2.Qf4#
- 1...Rxc7
- 2.Rg4#
- 1...Bxg7
- 2.Qf4#
- 1...Bh5
- 2.R4xh5#
- 2.R6xh5#
- 2.Qf4#
- 1...Qf1
- 2.Rg4#
- 1...Qc1
- 2.Rg4#
- 1...Qd1
- 2.Qf4#
- 1...Rf2
- 2.Rg4#
- 2.Qxg3#
- 1...Bd2
- 2.Bf6#
- 2.Rg4#
- 2.Qe5#
- 1...Ba5
- 2.Bf6#
- 2.Rg4#
- 1...Be5
- 2.Rg4#
- 2.Qxe5#
- 1...d6
- 2.Rg4#
- 1...Rxe4!
- threat
- 1.Rxc4?
- threat
- 2.Rg4#
- 2.Qf4#
- 1...Qxh3
- 2.Qf4#
- 1...Bxg7
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Qf1
- 2.Rg4#
- 2.h4#
- 1...Qc1
- 2.Rg4#
- 2.h4#
- 1...Qd1
- 2.Qf4#
- 2.h4#
- 1...Rf2
- 2.Rg4#
- 2.Qxg3#
- 1...Bd2
- 2.Rg4#
- 2.Qe5#
- 1...Bd4
- 2.Qf4#
- 1...Ba5
- 2.Rg4#
- 1...Be5
- 2.Rg4#
- 2.Qxe5#
- 1...Bh5
- 2.Qf4#
- 1...d6
- 2.Rg4#
- 1...Bf6+!
- threat
- 1.Qxg3+?
- 1...Rg4
- 2.Rxg4#
- 1...Rxg3!
- 1...Rg4
- 1.Qxc4?
- threat
- 2.Rg4#
- 2.Qf4#
- 2.Qg4#
- 1...Bf6+
- 2.Bxf6#
- 1...Qxh3
- 2.Qf4#
- 1...Bxg7
- 2.Qf4#
- 2.Qg4#
- 1...Bg6
- 2.Qf4#
- 2.Qg4#
- 1...Qf1
- 2.Rg4#
- 2.Qg4#
- 1...Qc1
- 2.Rg4#
- 2.Qg4#
- 1...Qd1
- 2.Qf4#
- 1...Rf2
- 2.Rg4#
- 2.Qg4#
- 1...Bd2
- 2.Bf6#
- 2.Rg4#
- 2.Qd5#
- 2.Qg4#
- 1...Bd4
- 2.Rg4#
- 1...Be5
- 2.Rg4#
- 2.Qg4#
- 1...Bh5
- 2.R4xh5#
- 2.R6xh5#
- 2.Qf4#
- 1...Ba5+!
- threat
- 1.Bd4?
- Keys
- 1.Rd4!
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxh3
- 2.Qf4#
- 1...Rxd4
- 2.Qe5#
- 1...Rxc7
- 2.Rg4#
- 1...Bxd4
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Qf1
- 2.h4#
- 1...Qc1
- 2.Qe5#
- 2.h4#
- 1...Qe1
- 2.Qf4#
- 2.h4#
- 1...Re2
- 2.Qxg3#
- 2.Qf4#
- 1...Rf2
- 2.Qxg3#
- 1...Rc5
- 2.Rg4#
- 2.Qf4#
- 1...Bd2
- 2.Rd5#
- 2.Qe5#
- 1...Ba5
- 2.Rd5#
- 1...d6
- 2.Qe7#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- R(f);N_GUARD::QAB1(E),XR(f)
- R(f);N_GUARD::R1(C),XR(f)
- R(f);N_GUARD,XQ(E)::R1(C)
- B(c);N_GUARD,P_PINQ(E)::B(F)
- B(c);N_GUARD::QAR2(E),XB(c)
- B(c);CHECK,N_GUARD::B(F),XB(c)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB1(E)
- R(f);XB(F)::QAR2(E)
- R(f);N_GUARD,XQ(E)::B(F)
- B(c);XB(F)::QAB1(E)
- B(i);::QAB1(E)
- Q(a);::QAR2(E)
- Q(a);::QAB1(E)
- R(b);N_GUARD::QAR2(E),XP(d)
- B(c);N_GUARD,P_PINQ(E)::B(F)
- P(h);OGATE::QAB(E)
- Refutation
- Q(a);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,N_GUARD::B(F),XB(c)
- Q(a);XP(B)::QAB1(E)
- R(f);XQ(E)::R1(C)
- B(c);XB(F)::QAB1(E)
- Q(a);::R1(C)
- Q(a);::QAB1(E)
- P(h);::R1(C)
- Refutation
- R(f);XB(G)
- Try
- R(C);XR(f)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB1(E)
- B(c);XB(F)::QAB1(E)
- B(i);::QAB1(E)
- B(c);::QAB1(E)
- B(c);P_PINQ(E)::R1(C)
- P(h);::R1(C)
- Refutation
- B(c);CHECK
- Try
- Q(E);CHECK,XP(d)
- Vars
- R(f);N_GUARD,P_SPINR(f)::R1(C),XR(f)
- Refutation
- R(b);XQ(E)
- Try
- Q(E);XR(f)
- Threat
- DUALS(3)
- Vars
- B(c);CHECK,N_GUARD::B(F),XB(c)
- Q(a);XP(B)::QAB1(E)
- Q(a);::QAB1(E)
- B(c);::R1(C)
- Refutation
- B(c);CHECK
- Try
- Actual
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB1(E)
- R(f);XR(C)::QAR2(E)
- R(f);N_GUARD,XQ(E)::R1(C)
- B(c);XR(C)::QAB1(E)
- B(i);::QAB1(E)
- Q(a);N_GUARD::P(B)
- R(b);N_GUARD::QAR2(E),XP(d)
- B(c);N_GUARD,P_PINQ(E)::R(C)
- P(h);OGATE::QAB(E)
Developed and maintained by Brian Stephenson.
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