MESON Chess Problem Database
Problem Display
PID: 66953 (2nb4/r3p3/NP2P3/R7/2P1kpp1/1Pp1BR2/b3B3/1n2Q1K1 w - - 0 1)
Vladimirov, Yakov Georgevich
HM., The Problemist, 1978
#2
11 + 10
| 15440 | Ukroshyenie Shakhmatnogo Pegasa (Vladimirov, YG) | 1996 |
| 102 | Probleemblad | 2010 |
SOLUTION
- SOUND
- Tries
- 1.Bf1?
- threat
- 2.Rxf4#
- 1...Kxf3
- 2.Bg2#
- 1...fxe3
- 2.Qxe3#
- 1...gxf3
- 2.Bf2#
- 1...Bc7!
- threat
- 1.Bd3+?
- 1...Kxf3
- 2.Qf2#
- 1...Kxd3!
- 1...Kxf3
- 1.Bf2?
- threat
- 2.Bd1#
- 1...gxf3
- 2.Bf1#
- 1...Bxb6!
- threat
- 1.Qf2?
- threat
- 2.Rxf4#
- 1...fxe3
- 2.Rf4#
- 2.Qxe3#
- 1...gxf3
- 2.Qxf3#
- 1...Bc7!
- threat
- 1.Qxc3?
- threat
- 2.Rxf4#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 2.Qc2#
- 2.Qd3#
- 1...Bxb3
- 2.Rxf4#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 2.Qd3#
- 1...Bxb6
- 2.Rxf4#
- 2.Re5#
- 2.Qe5#
- 2.Qc2#
- 2.Qd3#
- 1...fxe3
- 2.Sc5#
- 2.Re5#
- 2.Qe5#
- 2.Qd3#
- 2.Qxe3#
- 1...gxf3
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 2.Qd3#
- 1...Bc7
- 2.Qd4#
- 2.Qc2#
- 2.Qd3#
- 1...Rd7
- 2.Rxf4#
- 2.Re5#
- 2.Qe5#
- 1...Sa3
- 2.Rxf4#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 2.Qd3#
- 1...Sxc3!
- threat
- 1.Qh4?
- threat
- 2.Qh7#
- 1...fxe3
- 2.Qxg4#
- 1...gxf3
- 2.Qxf4#
- 1...Sd6!
- threat
- 1.Qxb1+?
- 1...c2
- 2.Qxc2#
- 1...Bxb1!
- 1...c2
- 1.Qc1?
- threat
- 2.Rxf4#
- 2.Qc2#
- 1...Bxb3
- 2.Rxf4#
- 1...fxe3
- 2.Qxe3#
- 1...Bc7
- 2.Qc2#
- 1...Rd7
- 2.Rxf4#
- 1...Sd2
- 2.Qc2#
- 1...Sa3
- 2.Rxf4#
- 1...c2
- 2.Rxf4#
- 2.Qxc2#
- 1...gxf3!
- threat
- 1.Qd1?
- threat
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Bxb3
- 2.Bd3#
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Bxb6
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Sxb6
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 2.Qd4#
- 1...fxe3
- 2.Qd3#
- 2.Qd5#
- 1...gxf3
- 2.Qd3#
- 2.Qd4#
- 1...Sd2
- 2.Qc2#
- 1...Sa3
- 2.Bd3#
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...c2
- 2.Bd3#
- 2.Qxc2#
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Rd7!
- threat
- 1.Qf1?
- threat
- 2.Bd3#
- 1...fxe3
- 2.Rf4#
- 1...gxf3
- 2.Qxf3#
- 1...Rd7!
- threat
- 1.Bf1?
- Keys
- 1.Bd1!
- threat
- 2.Bf2#
- 1...Kd3
- 2.Sc5#
- 1...Bxb6
- 2.Bxb6#
- 1...fxe3
- 2.Qxe3#
- 1...gxf3
- 2.Bc2#
- threat
- 1.Bd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(C);
- Threat
- R1(F),XP(e)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(F)::B(C)
- P(e);OGATE,P_SPINP(e),XB(E)::QAR1(A),XP(e)
- P(f);SBLOCK,XR(F)::QAR(A)+B(E)
- Refutation
- B(j);
- Try
- B(C);CHECK
- Vars
- K(d);S_FLIGHT,XR(F)::QAR1(A)
- Refutation
- K(d);S_FLIGHT,XB(C)
- Try
- B(E);
- Threat
- QAR(A)+B(C)
- Vars
- P(f);SBLOCK,XR(F)::QAR(A)+B(C)
- Refutation
- B(j);P_PINB(E),XP(J)
- Try
- Q(A);
- Threat
- R1(F),XP(e)
- Vars
- P(f);OGATE,XR(F)::QAB1(A),XP(f)
- Refutation
- B(j);
- Try
- Q(A);XP(c)
- Threat
- DUALS(6)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- P(e);OGATEB,P_SPINP(f),XB(E)::QAR2(A),XP(f)
- P(f);OGATE,P_SPINP(e),XR(F)::QAR1(A),XP(e)
- Refutation
- S(i);
- Try
- Q(A);CHECK,XS(a)
- Vars
- P(c);P_SPINP(c)::QAB(A),XP(c)
- Refutation
- B(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(b);XP(D)::R1(F),XP(e)
- P(e);OGATE,XB(E)::QAR1(A),XP(e)
- B(j);::QAB(A)
- R(g);::R1(F),XP(e)
- S(a);::QAB(A)
- S(a);::R1(F),XP(e)
- Refutation
- P(f);XR(F)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- S(a);::QAB(A)
- Refutation
- R(g);
- Try
- Q(A);
- Threat
- B(C)
- Vars
- P(e);SBLOCK,XB(E)::R1(F)
- P(f);OGATE,XR(F)::QAB1(A),XP(f)
- Refutation
- R(g);
- Try
- Actual
- B(C);
- Threat
- QAR(A)+B(E)
- Vars
- K(d);S_FLIGHT::S(I)
- B(j);OGATE,P_PINB(E),XP(J)::QAR(A)+B(E),XB(j)
- P(e);OGATE,P_SPINP(e),XB(E)::QAR1(A),XP(e)
- P(f);SBLOCK,XR(F)::B(C)
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