MESON Chess Problem Database
Problem Display
PID: 139699 (7K/1B4p1/3p2Qb/1R3N2/R3Pk1P/1r6/5p1N/Bb1q4 w - - 0 1)
Krikheli, Iosif Mikhailovich
Probleemblad, 1974
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Qg4#
- 2.Qxd6#
- 1...Qe2
- 2.Qxd6#
- 1...Qf3
- 2.Qxd6#
- 1...Qg4
- 2.Qxg4#
- 2.Qxd6#
- 1...Qh5
- 2.Qxd6#
- 1...Qc1
- 2.Qg4#
- 2.Qxd6#
- 1...Qe1
- 2.Qg4#
- 2.Qxd6#
- 1...Qf1
- 2.Qg4#
- 2.Qxd6#
- 1...Qg1
- 2.Qxd6#
- 1...Qh1
- 2.Qg4#
- 2.Qxd6#
- 1...Qd2
- 2.Qg4#
- 1...Qd3
- 2.Qg4#
- 1...Qd4
- 2.Qg4#
- 1...Qd5
- 2.Qg4#
- 1...Rb2
- 2.Qg3#
- 1...Rf3
- 2.Qg4#
- 1...Rg3
- 2.Qxg3#
- 1...Rb4
- 2.Qg3#
- 1...Rxb5
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 2.Qxd6#
- 1...Bxe4
- 2.Rxe4#
- 1...Bg5
- 2.Qxg5#
- 1...d5
- 2.Qd6#
- 1...Qc2
- Tries
- 1.Bd4?
- threat
- 2.Qxd6#
- 1...Qxd4
- 2.Qg4#
- 1...Rxb5
- 2.Qg3#
- 1...d5!
- threat
- 1.Bxg7?
- threat
- 2.Bxh6#
- 2.Qxh6#
- 1...Rxb5
- 2.Qg3#
- 2.Qxh6#
- 1...Qg4
- 2.Qxg4#
- 2.Qxd6#
- 1...Qh5
- 2.Qxd6#
- 1...Qg1
- 2.Qxd6#
- 1...Qd4
- 2.Qg4#
- 2.Qxh6#
- 1...Qd5
- 2.Qg4#
- 2.Qxh6#
- 1...Rg3
- 2.Qxg3#
- 1...Bg5
- 2.Qxg5#
- 1...d5
- 2.Qd6#
- 2.Qxh6#
- 1...Bxg7+!
- threat
- 1.Bd5?
- threat
- 2.Qxd6#
- 1...Qxd5
- 2.Qg4#
- 1...Bxe4
- 2.Rxe4#
- 1...Qd4!
- threat
- 1.Rxb3?
- threat
- 2.Qg3#
- 1...Qxb3
- 2.Qg4#
- 2.Qxd6#
- 1...Bxe4
- 2.Rxe4#
- 1...Qf3
- 2.Rxf3#
- 2.Qxd6#
- 1...Qg4
- 2.Qxg4#
- 2.Qxd6#
- 1...Qg1
- 2.Rf3#
- 2.Qxd6#
- 1...Qd3
- 2.Qg4#
- 1...Bg5
- 2.Qxg5#
- 1...f1S!
- threat
- 1.Rd5?
- threat
- 2.Qxd6#
- 1...Qxd5
- 2.Qg4#
- 1...Qd4
- 2.Qg4#
- 1...Rb6
- 2.Qg3#
- 1...Rb4!
- threat
- 1.Qxh6+?
- 1...g5
- 2.Qxg5#
- 1...gxh6!
- 1...g5
- 1.e5+?
- 1...Qd4
- 2.Qg4#
- 1...Be4
- 2.Rxe4#
- 1...Rb4!
- 1...Qd4
- 1.Bd4?
- Keys
- 1.Rd4!
- threat
- 2.Qxd6#
- 1...Qxd4
- 2.Qg4#
- 1...Rxb5
- 2.Qg3#
- 1...d5
- 2.Qd6#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- Q(b);N_GUARD::QAB(H),XP(f)
- Q(b);N_GUARD::QAR1(H)
- R(d);N_GUARD::QAB1(H)
- R(d);S_CUTQ(b)::QAR1(H)
- R(d);N_GUARD::QAB1(H),XR(d)
- R(d);N_GUARD,XR(F)::QAB1(H)
- B(a);OGATE,P_SPINB(a),XP(D)::R1(C),XB(a)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(f);S_CUTQ(b)::QAB(H)
- Tries
- Try
- B(A);
- Threat
- QAB(H),XP(f)
- Vars
- Q(b);N_GUARD,XB(A)::QAR1(H)
- R(d);N_GUARD,XR(F)::QAB1(H)
- Refutation
- P(f);
- Try
- B(A);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB(H),XP(f)
- R(d);N_GUARD::QAB1(H),XR(d)
- B(g);N_GUARD::QAB1(H),XB(g)
- Refutation
- B(g);CHECK,XB(A)
- Try
- B(I);
- Threat
- QAB(H),XP(f)
- Vars
- Q(b);N_GUARD,XB(I)::QAR1(H)
- B(a);OGATE,P_SPINB(a),XP(D)::R1(C),XB(a)
- Refutation
- Q(b);
- Try
- R(F);XR(d)
- Threat
- QAB1(H)
- Vars
- B(a);OGATE,P_SPINB(a),XP(D)::R1(C),XB(a)
- Q(b);N_GUARD::QAR1(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- Refutation
- P(c);
- Try
- R(F);
- Threat
- QAB(H),XP(f)
- Vars
- Q(b);N_GUARD,XR(F)::QAR1(H)
- Q(b);N_GUARD::QAR1(H)
- R(d);N_GUARD::QAB1(H)
- Refutation
- R(d);
- Try
- Q(H);CHECK,XB(g)
- Vars
- P(h);P_SPINP(h)::QAB1(H),XP(h)
- Refutation
- P(h);XQ(H)
- Try
- P(D);CHECK
- Vars
- Q(b);P_SPINQ(b)::QAR1(H)
- B(a);N_GUARD,P_SPINB(a)::R1(C),XB(a)
- Refutation
- R(d);P_SPINR(d)
- Try
- Actual
- R(C);
- Threat
- QAB(H),XP(f)
- Vars
- Q(b);N_GUARD,XR(C)::QAR1(H)
- R(d);N_GUARD,XR(F)::QAB1(H)
- P(f);::QAB(H)
Developed and maintained by Brian Stephenson.
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