MESON Chess Problem Database
Problem Display
PID: 107450 (3RBK2/1P6/2PNP2n/P1kp1b1Q/2P2R2/2P5/1p3N2/2n2r2 w - - 0 1)
Zidek, Alexander
Match: Austria - Saxony, 1992
#2
13 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qxd5#
- 1...Bc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 1...Bh3
- 2.Sfe4#
- 2.Qxd5#
- 1...Be4
- 2.Sfxe4#
- 1...Bg4
- 2.Sfe4#
- 2.Qxd5#
- 1...Bxe6
- 2.Sfe4#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...d4
- 2.Sfe4#
- 1...Bb1
- Tries
- 1.Sd3+?
- 1...Bxd3
- 2.Qxd5#
- 1...Sxd3!
- 1...Bxd3
- 1.Rd4?
- threat
- 2.Rxd5#
- 1...Bxe6
- 2.Se4#
- 1...dxc4
- 2.Sfe4#
- 1...Be4
- 2.Sxe4#
- 1...Rd1!
- threat
- 1.Qxf5?
- threat
- 2.Sfe4#
- 2.Qxd5#
- 1...Rxf2
- 2.Qxd5#
- 1...b1Q
- 2.Qxd5#
- 1...b1B
- 2.Qxd5#
- 1...Rd1
- 2.Sfe4#
- 1...Re1
- 2.Qxd5#
- 1...Sxf5!
- threat
- 1.b8S?
- threat
- 2.Sb7#
- 2.Sa6#
- 1...b1Q
- 2.Sa6#
- 1...b1R
- 2.Sa6#
- 1...Be4
- 2.Sfxe4#
- 2.Sa6#
- 1...d4
- 2.Sfe4#
- 2.Sa6#
- 1...dxc4!
- threat
- 1.Sd3+?
- Keys
- 1.c7!
- threat
- 2.c8Q#
- 2.c8R#
- 1...Rxf2
- 2.c8Q#
- 2.c8R#
- 1...Bxe6
- 2.Sfe4#
- 1...dxc4
- 2.Sde4#
- 1...b1Q
- 2.c8Q#
- 2.c8R#
- 1...b1S
- 2.c8Q#
- 2.c8R#
- 1...b1B
- 2.c8Q#
- 2.c8R#
- 1...b1R
- 2.c8Q#
- 2.c8R#
- 1...Rd1
- 2.c8Q#
- 2.c8R#
- 1...Re1
- 2.c8Q#
- 2.c8R#
- 1...Rg1
- 2.c8Q#
- 2.c8R#
- 1...Rh1
- 2.c8Q#
- 2.c8R#
- 1...Bb1
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Bc2
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Bd3
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Bh3
- 2.Sfe4#
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Be4
- 2.Sfxe4#
- 2.c8Q#
- 2.c8R#
- 1...Bg4
- 2.Sfe4#
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Bg6
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Bh7
- 2.Qxd5#
- 2.c8Q#
- 2.c8R#
- 1...Sa2
- 2.c8Q#
- 2.c8R#
- 1...Se2
- 2.c8Q#
- 2.c8R#
- 1...Sb3
- 2.c8Q#
- 2.c8R#
- 1...Sd3
- 2.c8Q#
- 2.c8R#
- 1...Sg4
- 2.c8Q#
- 2.c8R#
- 1...Sf7
- 2.c8Q#
- 2.c8R#
- 1...Sg8
- 2.c8Q#
- 2.c8R#
- 1...d4
- 2.Sfe4#
- 2.c8Q#
- 2.c8R#
- threat
- 1.c7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- B(f);OGATE,P_SPINP(e)::QAR1(F),XP(e)
- B(f);N_GUARD,P_SPINP(e)::S(A),XB(f)
- B(f);N_GUARD,P_SPINP(e),XP(I)::S(A)
- P(e);N_GUARD,P_SPINB(f)::S(A)
- Tries
- Try
- S(A);CHECK
- Vars
- B(f);OGATE,P_PINR(D),P_SPINP(e),XS(A)::QAR1(F),XP(e)
- Refutation
- S(a);XS(A)
- Try
- R(D);
- Threat
- R1(D),XP(e)
- Vars
- B(f);N_GUARD,P_PINS(A),P_SPINP(e),XP(I)::S(H)
- P(e);N_GUARD,P_SPINB(f),XP(C)::S(A)
- B(f);N_GUARD,P_PINS(A),P_SPINP(e)::S(H),XB(f)
- Refutation
- R(b);
- Try
- Q(F);P_PINP(e),XB(f)
- Threat
- DUALS(2)
- Vars
- R(b);XS(A)::QAR1(F),XP(e)
- P(c);::QAR1(F),XP(e)
- R(b);::S(A)
- R(b);::QAR1(F),XP(e)
- Refutation
- S(g);N_SPINP(e),XQ(F)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- P(c);::S(J)
- Refutation
- P(e);P_SPINB(f),XP(C)
- Try
- Actual
- P(G);
- Threat
- P=Q
- Vars
- R(b);XS(A)::P=Q
- B(f);N_GUARD,P_SPINP(e),XP(I)::S(A)
- P(e);N_GUARD,P_SPINB(f),SBLOCK,XP(C)::S(H)
- P(c);::P=Q
- R(b);::P=Q
- S(a);::P=Q
- S(g);::P=Q
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