MESON Chess Problem Database
Problem Display
PID: 195280 (7r/R3pr2/1p1kppqN/1P1BR3/p2B4/P2QP3/KP6/8 w - - 0 1)
Vladimirov, Yakov Georgevich
Probleemblad, 1979
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Qxd3
- 2.Sxf7#
- 1...Qe4
- 2.Sxf7#
- 1...Qf5
- 2.Sxf7#
- 1...Qg1
- 2.Sxf7#
- 1...Qg2
- 2.Sxf7#
- 1...Qg3
- 2.Sxf7#
- 1...Qg4
- 2.Sxf7#
- 1...Qg5
- 2.Sxf7#
- 1...Qxd3
- Tries
- 1.Bc3?
- threat
- 2.Be4#
- 1...Kc5
- 2.Bb4#
- 1...exd5
- 2.Qxd5#
- 1...fxe5
- 2.Bb4#
- 1...Qe4
- 2.Bxe4#
- 1...Qxd3!
- threat
- 1.Bc5+?
- 1...Kxe5
- 2.Qd4#
- 1...bxc5
- 2.Rxe6#
- 1...Kxc5!
- 1...Kxe5
- 1.Bxb6?
- threat
- 2.Rxe6#
- 1...Kxe5
- 2.Bc7#
- 1...Qxd3
- 2.Sxf7#
- 1...exd5
- 2.Qxd5#
- 1...fxe5
- 2.Be4#
- 1...Qe4
- 2.Sxf7#
- 1...Qf5
- 2.Sxf7#
- 1...Qg4
- 2.Sxf7#
- 1...f5!
- threat
- 1.Bc4?
- threat
- 2.Rxe6#
- 1...Qe4
- 2.Sxf7#
- 1...Qf5
- 2.Sxf7#
- 1...Qg4
- 2.Sxf7#
- 1...f5
- 2.Bc3#
- 1...fxe5!
- threat
- 1.Qc2?
- threat
- 2.Qc6#
- 2.Qc7#
- 1...Qxc2
- 2.Sxf7#
- 1...fxe5
- 2.Qc6#
- 1...Rc8!
- threat
- 1.Qc4?
- threat
- 2.Rxe6#
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...exd5
- 2.Qxd5#
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...fxe5
- 2.Qc6#
- 1...Qc2
- 2.Sxf7#
- 2.Rxe6#
- 1...Qe4
- 2.Sxf7#
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...Qf5
- 2.Sxf7#
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...Qg4
- 2.Sxf7#
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...Rc8
- 2.Rxe6#
- 1...f5
- 2.Qb4#
- 2.Qc6#
- 2.Qc7#
- 1...Qb1+!
- threat
- 1.Qe4?
- threat
- 2.Rxe6#
- 1...Qxe4
- 2.Sxf7#
- 1...exd5
- 2.Rxd5#
- 2.Re6#
- 2.Qxd5#
- 1...fxe5
- 2.Qxe5#
- 1...Qf5
- 2.Sxf7#
- 1...Qg4
- 2.Sxf7#
- 1...f5!
- threat
- 1.Qf5?
- threat
- 2.Rxe6#
- 2.Qxe6#
- 1...Qxf5
- 2.Sxf7#
- 1...exd5
- 2.Rxd5#
- 2.Re6#
- 2.Rd7#
- 2.Qe6#
- 2.Qd7#
- 1...fxe5
- 2.Qxe5#
- 1...Qg4
- 2.Sxf7#
- 2.Rxe6#
- 1...exf5!
- threat
- 1.Bc3?
- Keys
- 1.Be4!
- threat
- 2.Bc3#
- 1...Qxe4
- 2.Sxf7#
- 1...fxe5
- 2.Bxb6#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(f);N_GUARD,XQ(D)::S(J),XR(h)
- Q(f);N_GUARD::S(J),XR(h)
- Q(f);N_GUARD,P_PINP(B)::S(J),XR(h)
- Tries
- Try
- B(F);
- Threat
- QAR(D)+B(H)
- Vars
- K(c);S_FLIGHT::B(F)
- P(d);OGATE,P_SPINP(d),XB(H)::QAR1(D),XP(d)
- P(e);SBLOCK,XR(I)::B(F)
- Q(f);::QAR(D)+B(H),XQ(f)
- Refutation
- Q(f);XQ(D)
- Try
- B(F);CHECK
- Vars
- K(c);S_FLIGHT,XR(I)::QAB1(D)
- P(b);SBLOCK,XB(F)::R1(I),XP(d)
- Refutation
- K(c);S_FLIGHT,XB(F)
- Try
- B(F);XP(b)
- Threat
- R1(I),XP(d)
- Vars
- K(c);S_FLIGHT,XR(I)::B(F)
- Q(f);N_GUARD,XQ(D)::S(J),XR(h)
- P(d);OGATE,P_SPINP(d),XB(H)::QAR1(D),XP(d)
- P(e);SBLOCK,XR(I)::QAR(D)+B(H)
- Q(f);N_GUARD::S(J),XR(h)
- Refutation
- P(e);
- Try
- B(H);
- Threat
- R1(I),XP(d)
- Vars
- Q(f);N_GUARD::S(J),XR(h)
- P(e);S_CUTQ(f)::QAR(D)+B(F)
- Refutation
- P(e);XR(I)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,P_PINP(B),XQ(D)::S(J),XR(h)
- P(e);XR(I)::QAR1(D)
- Refutation
- R(i);
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- P(e);XR(I)::QAR1(D)
- R(i);::R1(I),XP(d)
- Refutation
- Q(f);CHECK
- Try
- Q(D);
- Threat
- R1(I),XP(d)
- Vars
- Q(f);N_GUARD,XQ(D)::S(J),XR(h)
- P(e);OGATE,XR(I)::QAB1(D),XP(e)
- Q(f);N_GUARD::S(J),XR(h)
- Refutation
- P(e);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,XQ(D)::S(J),XR(h)
- P(e);OGATE,XR(I)::QAB1(D),XP(e)
- Refutation
- P(d);XQ(D)
- Try
- Actual
- B(H);
- Threat
- QAR(D)+B(F)
- Vars
- Q(f);N_GUARD,XB(H)::S(J),XR(h)
- P(e);SBLOCK,XR(I)::QAR(D)+B(F),XP(b)
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