MESON Chess Problem Database
Problem Display
PID: 52818 (8/1q6/2r2B2/3BR2p/3k2NK/QP1P1rp1/1P2P3/7b w - - 0 1)
Maleika, Gerhard
Die Schwalbe, 2004
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Rf5#
- 1...Rc2
- 2.Rf5#
- 1...Rc3
- 2.Rf5#
- 1...Rc4
- 2.Rf5#
- 1...Rc5
- 2.Rf5#
- 1...Rc7
- 2.Rf5#
- 1...Rc8
- 2.Rf5#
- 1...Rc1
- Tries
- 1.Bxf3?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Rxf6
- 2.Qc5#
- 1...hxg4
- 2.Re6#
- 1...Qb4
- 2.Rd5#
- 1...Qb5
- 2.Rd5#
- 1...Qc7
- 2.Rd5#
- 1...Qe7
- 2.Rd5#
- 1...Qf7
- 2.Rd5#
- 1...Qg7
- 2.Rd5#
- 1...Qb8
- 2.Rd5#
- 1...Rc5
- 2.Rxc5#
- 2.Rd5#
- 2.Qxc5#
- 1...Re6
- 2.Rd5#
- 2.Rxe6#
- 2.Qc5#
- 1...Bxf3!
- threat
- 1.Be4?
- threat
- 2.Rd5#
- 1...Rxd3
- 2.Re6#
- 1...Rcxf6
- 2.Qc5#
- 1...hxg4!
- threat
- 1.Bxc6?
- threat
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qc5#
- 2.Qd6#
- 1...Qxb3
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qc5#
- 1...Rxd3
- 2.Re3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 2.Qc5#
- 1...Rxf6
- 2.Qc5#
- 1...hxg4
- 2.Re4#
- 2.Qc5#
- 2.Qd6#
- 1...Qb4
- 2.Rd5#
- 2.Rf5#
- 2.Qxb4#
- 1...Qb5
- 2.Re4#
- 2.Rd5#
- 1...Qb6
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qd6#
- 1...Qa7
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qb4#
- 2.Qd6#
- 2.Qxa7#
- 1...Qc7
- 2.Re4#
- 2.Rd5#
- 2.Qb4#
- 2.Qc5#
- 2.Qa4#
- 1...Qd7
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qb4#
- 2.Qc5#
- 2.Qa4#
- 1...Qe7
- 2.Re4#
- 2.Rd5#
- 1...Qf7
- 2.Re4#
- 2.Rd5#
- 2.Qc5#
- 1...Qg7
- 2.Re4#
- 2.Rd5#
- 2.Qb4#
- 2.Qc5#
- 2.Qd6#
- 2.Qa4#
- 1...Qb8
- 2.Re4#
- 2.Rd5#
- 2.Qc5#
- 1...Rf1
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qc5#
- 1...Rf2
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qc5#
- 1...Re3
- 2.Rxe3#
- 2.Re4#
- 2.Rd5#
- 2.Qc5#
- 1...Rf4
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Qc5#
- 1...Rf5
- 2.Re4#
- 2.Rd5#
- 2.Rxf5#
- 2.Qc5#
- 1...Qxc6!
- threat
- 1.Be6?
- threat
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 1...Rxd3
- 2.Re3#
- 1...Rxe6
- 2.Qc5#
- 1...hxg4
- 2.Re4#
- 1...Qb4
- 2.Rd5#
- 2.Rf5#
- 1...Qb5
- 2.Re4#
- 2.Rd5#
- 1...Qc7
- 2.Re4#
- 2.Rd5#
- 1...Qe7
- 2.Re4#
- 2.Rd5#
- 1...Qf7
- 2.Re4#
- 2.Rd5#
- 1...Qg7
- 2.Re4#
- 2.Rd5#
- 1...Qb8
- 2.Re4#
- 2.Rd5#
- 1...Re3
- 2.Rxe3#
- 2.Re4#
- 2.Rd5#
- 1...Rf5
- 2.Re4#
- 2.Rd5#
- 2.Rxf5#
- 1...Rc5
- 2.Re4#
- 2.Rd5#
- 2.Qxc5#
- 1...Rxf6!
- threat
- 1.Qb4+?
- 1...Rc4
- 2.Rf5#
- 2.Qxc4#
- 1...Qxb4!
- 1...Rc4
- 1.Qc5+?
- 1...Rxc5
- 2.Rf5#
- 1...Kxc5!
- 1...Rxc5
- 1.Bxf3?
- Keys
- 1.Bc4!
- threat
- 2.Re4#
- 2.Rd5#
- 1...Rxd3
- 2.Re6#
- 1...Rfxf6
- 2.e3#
- 1...Rxc4
- 2.Rf5#
- 1...Rcxf6
- 2.Qc5#
- 1...hxg4
- 2.Re4#
- 1...Qb4
- 2.Rd5#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(f);N_GUARD::B(J)+R(I)
- Tries
- Try
- B(H);XR(b)
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,XB(J)::QAB1(C)
- P(e);XS(F)::B(J)+R(I)
- Q(g);::B(J)+R(I),DCHECK
- Q(g);P_PINB(J)::B(J)+R(I),DCHECK
- Refutation
- B(a);XB(H)
- Try
- B(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- R(b);N_GUARD,XP(E)::B(J)+R(I)
- R(f);N_GUARD,XB(J)::QAB1(C)
- Refutation
- P(e);XS(F)
- Try
- B(H);XR(f)
- Threat
- DUALS(5)
- Vars
- R(b);XB(J)::QAB1(C)
- Refutation
- Q(g);XB(H)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD,XP(E)::B(J)+R(I)
- R(f);N_GUARD,XB(H)::QAB1(C)
- P(e);XS(F)::B(J)+R(I),DCHECK
- Refutation
- R(b);XB(J)
- Try
- Q(C);CHECK
- Refutation
- Q(g);XQ(C)
- Try
- Q(C);CHECK
- Vars
- R(f);SBLOCK,XQ(C)::B(J)+R(I)
- Refutation
- K(d);S_FLIGHT,XQ(C)
- Try
- Actual
- B(H);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XP(E)::B(J)+R(I)
- R(b);N_GUARD,XB(J)::P(B)
- R(f);N_GUARD,XB(H)::B(J)+R(I)
- R(f);N_GUARD,XB(J)::QAB1(C)
- P(e);XS(F)::B(J)+R(I),DCHECK
- Q(g);::B(J)+R(I),DCHECK
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