MESON Chess Problem Database
Problem Display
PID: 151954 (B4NrB/6rb/3pP2p/nQ1N1k2/2P2P1R/2KP4/6p1/4R3 w - - 0 1)
Guida, Marco
4th Prize, diagrammes, 2010
#2
12 + 8
| 23 | Die Schwalbe | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.Se3#
- 2.Se7#
- 1...Rg5
- 2.Se3#
- 2.Se7#
- 1...Rg6
- 2.Se3#
- 2.Se7#
- 1...Ra7
- 2.Se3#
- 2.Se7#
- 1...Rb7
- 2.Se3#
- 2.Se7#
- 1...Rc7
- 2.Se3#
- 2.Se7#
- 1...Rd7
- 2.Se3#
- 2.Se7#
- 1...Re7
- 2.Se3#
- 2.Sxe7#
- 1...Rf7
- 2.Se3#
- 2.Se7#
- 1...Rg3
- Tries
- 1.Bxg7?
- threat
- 2.Se3#
- 2.Se7#
- 1...Rxf8
- 2.Se7#
- 1...Rxg7!
- threat
- 1.Qd7?
- threat
- 2.e7#
- 1...Rxd7
- 2.Se3#
- 1...Rg6
- 2.Se3#
- 2.Se7#
- 1...Re7
- 2.Se3#
- 2.Sxe7#
- 1...Rxf8!
- threat
- 1.d4?
- threat
- 2.Qb1#
- 1...Rg3+
- 2.Se3#
- 1...Rb7
- 2.Se7#
- 1...Sb3!
- threat
- 1.Bxg7?
- Keys
- 1.Qb1!
- threat
- 2.d4#
- 1...Rg3
- 2.Se7#
- 1...Rb7
- 2.Se3#
- threat
- 1.Qb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(L);XR(f)
- Threat
- DUALS(2)
- Vars
- R(h);XS(K)::QAR(G)+S(H),DCHECK
- Refutation
- R(h);XB(L)
- Try
- Q(G);
- Threat
- QAB(G)+P(I)
- Vars
- R(f);XQ(G)::S(H)
- Refutation
- R(h);XS(K)
- Try
- P(C);
- Threat
- QAB(G)
- Vars
- R(f);CHECK::QAR(G)+S(H),DCHECK
- R(f);::QAR(G)+S(H),DCHECK
- Refutation
- S(b);
- Try
- Actual
- Q(G);
- Threat
- QAB(G)+P(C)
- Vars
- R(f);N_GUARD,P_PINP(C)::S(H)
- R(f);::S(H)
Developed and maintained by Brian Stephenson.
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