MESON Chess Problem Database
Problem Display
PID: 225647 (b7/B3p3/2p2p2/3N1Q1K/PpkP3p/1np1R2r/2P5/4r3 w - - 0 1)
Ondrus, Milan
Praca, 1997
#2
8 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxd4
- 2.Sb6#
- 1...cxd5
- 2.Qd3#
- 1...Sxd4
- Tries
- 1.Bc5?
- threat
- 2.Sb6#
- 1...cxd5
- 2.Qd3#
- 1...Sxc5!
- threat
- 1.Rd3?
- threat
- 2.Sb6#
- 1...Rxd3
- 2.cxd3#
- 1...cxd5!
- threat
- 1.Qg4?
- threat
- 2.Sb6#
- 1...Kxd5
- 2.Qe6#
- 1...Sxd4
- 2.Qxd4#
- 1...cxd5!
- threat
- 1.Qd7?
- threat
- 2.Sb6#
- 1...cxd5
- 2.Qb5#
- 1...Sxd4!
- threat
- 1.Bc5?
- Keys
- 1.Qe4!
- threat
- 2.Sb6#
- 1...Sxd4
- 2.Qxd4#
- 1...cxd5
- 2.Qd3#
- threat
- 1.Qe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);SBLOCK,XP(D)::S(E)
- P(h);SBLOCK,XS(E)::QAB1(F)
- Tries
- Try
- B(H);
- Threat
- S(E)
- Vars
- P(h);SBLOCK,XS(E)::QAB1(F)
- Refutation
- S(b);XB(H)
- Try
- R(B);
- Threat
- S(E)
- Vars
- R(d);OGATE,XR(B)::P(A),XR(d)
- Refutation
- P(h);XS(E)
- Try
- Q(F);
- Threat
- S(E)
- Vars
- K(f);OGATEB,S_FLIGHT,XS(E)::QAB1(F)
- S(b);OGATE,P_SPINS(b),XP(D)::QAR1(F),XS(b)
- Refutation
- P(h);XS(E)
- Try
- Q(F);
- Threat
- S(E)
- Vars
- P(h);OGATE,XS(E)::QAB1(F)
- Refutation
- S(b);XP(D)
- Try
- Actual
- Q(F);
- Threat
- S(E)
- Vars
- S(b);OGATE,P_SPINS(b),XP(D)::QAR1(F),XS(b)
- P(h);SBLOCK,XS(E)::QAB1(F)
Developed and maintained by Brian Stephenson.
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