MESON Chess Problem Database
Problem Display
PID: 42876 (BN3BQn/5N2/1p6/3q1R2/1p1k2p1/2pp1p2/2p4b/4RK2 w - - 0 1)
Gvozdjak, Peter
Die Schwalbe, 1993
#2
8 + 11
| 3335 | Cyclone | 2000 |
| 5416 | FIDE Album (1992-1994) (Annexe) | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Re4#
- 1...Qb3
- 2.Re4#
- 1...Qc4
- 2.Re4#
- 1...Qe4
- 2.Rxe4#
- 1...Qxf7
- 2.Re4#
- 1...Qa5
- 2.Re4#
- 1...Qb5
- 2.Re4#
- 1...Qc5
- 2.Re4#
- 1...Qd6
- 2.Re4#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.Re4#
- 1...Qa2
- Tries
- 1.Se5?
- threat
- 2.Qxd5#
- 1...Qxa8
- 2.Qc4#
- 1...Qxg8
- 2.Re4#
- 1...Qxe5
- 2.Sc6#
- 1...Qd6
- 2.Qc4#
- 1...Qa2
- 2.Sec6#
- 2.Sbc6#
- 2.Re4#
- 1...Qb3
- 2.Sec6#
- 2.Sbc6#
- 2.Re4#
- 1...Qc4
- 2.Re4#
- 2.Qxc4#
- 1...Qe4
- 2.Rxe4#
- 2.Qc4#
- 1...Qc6
- 2.Sexc6#
- 2.Sbxc6#
- 1...Qe6
- 2.Re4#
- 1...Qb7
- 2.Qc4#
- 1...Qf7
- 2.Re4#
- 1...Qa5
- 2.Sec6#
- 2.Sbc6#
- 2.Re4#
- 2.Qc4#
- 1...Qb5
- 2.Re4#
- 1...Qc5
- 2.Re4#
- 1...Qd7
- 2.Re4#
- 2.Qc4#
- 1...Qd8
- 2.Sec6#
- 2.Sbc6#
- 2.Re4#
- 2.Qc4#
- 1...Sf7!
- threat
- 1.Rf4+?
- 1...Qe4
- 2.Rexe4#
- 2.Rfxe4#
- 1...Bxf4!
- 1...Qe4
- 1.Qxg4+?
- 1...Qe4
- 2.Rxe4#
- 2.Qxe4#
- 1...Bf4!
- 1...Qe4
- 1.Se5?
- Keys
- 1.Sd6!
- threat
- 2.Rxd5#
- 2.Qxd5#
- 1...Kc5
- 2.Rxd5#
- 2.Qxd5#
- 1...Qxa8
- 2.Sb5#
- 2.Qc4#
- 1...Qxg8
- 2.Sc6#
- 2.Re4#
- 1...Qxf5
- 2.Sxf5#
- 2.Qc4#
- 1...Qxd6
- 2.Re4#
- 1...Bxd6
- 2.Qxd5#
- 1...Qa2
- 2.Sb5#
- 2.Sc6#
- 2.Re4#
- 1...Qb3
- 2.Sb5#
- 2.Sc6#
- 2.Re4#
- 1...Qc4
- 2.Re4#
- 2.Qxc4#
- 1...Qe4
- 2.Sb5#
- 2.Rxe4#
- 2.Qc4#
- 1...Qc6
- 2.Sxc6#
- 1...Qe6
- 2.Sc6#
- 1...Qb7
- 2.Sb5#
- 2.Qc4#
- 1...Qf7
- 2.Sc6#
- 2.Re4#
- 1...Qa5
- 2.Sc6#
- 2.Re4#
- 2.Qc4#
- 1...Qb5
- 2.Sxb5#
- 2.Re4#
- 1...Qc5
- 2.Re4#
- 1...Qe5
- 2.Qc4#
- 1...Be5
- 2.Qxd5#
- 1...Sf7
- 2.Rxd5#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::R1(A)
- Q(i);N_GUARD,SBLOCK::R1(A)
- Q(i);N_GUARD::R1(A),XQ(i)
- Q(i);N_GUARD,XS(D)::R1(A)
- Tries
- Try
- S(D);
- Threat
- QAR1(H),XQ(i)
- Vars
- Q(i);OGATE,XB(E)::QAR1(H)
- Q(i);N_GUARD,XQ(H)::R1(A)
- Q(i);N_GUARD,XS(D)::S(F)
- Q(i);OGATE::QAR1(H)
- Q(i);N_GUARD::R1(A)
- Refutation
- S(k);
- Try
- R(C);CHECK
- Refutation
- B(b);XR(C)
- Try
- Q(H);CHECK,XP(h)
- Refutation
- B(b);P_SPINB(b)
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XS(D)::R1(A)
- B(b);XS(D)::QAR1(H),XQ(i)
- Q(i);N_GUARD::S(F),XQ(i)
- Q(i);N_GUARD::S(F)
- Q(i);N_GUARD::R1(A)
- Q(i);OGATE::QAR1(H)
- B(b);::QAR1(H),XQ(i)
- S(k);::R1(C),XQ(i)
Developed and maintained by Brian Stephenson.
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