MESON Chess Problem Database
Problem Display
PID: 7959 (b5K1/5Rp1/3p2p1/R2Pk3/p2Np1BB/2P1N3/q2p3b/7n w - - 0 1)
Zajic, Helmut
The Problemist, 1994
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sc4#
- 1...Qc4
- 2.Sxc4#
- 1...Qxd5
- 2.Sc4#
- 1...Qa1
- 2.Sc4#
- 1...Qb2
- 2.Sc4#
- 1...Qc2
- 2.Sc4#
- 1...Qa3
- 2.Sc4#
- 1...Bf4
- 2.Re7#
- 1...Bxd5
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...g5
- 2.Rf5#
- 1...Qb1
- Tries
- 1.Sg2?
- threat
- 2.Re7#
- 1...Bxd5
- 2.Sc6#
- 1...g5
- 2.Rf5#
- 1...Qxd5!
- threat
- 1.Se2?
- threat
- 2.Re7#
- 1...Qxd5
- 2.Sc4#
- 1...g5
- 2.Rf5#
- 1...Bxd5!
- threat
- 1.Rxa8?
- threat
- 2.Sc6#
- 2.Re8#
- 1...Qc4
- 2.Re8#
- 1...Qxd5!
- threat
- 1.Sg2?
- Keys
- 1.Bg5!
- threat
- 2.Re7#
- 1...Qxd5
- 2.Sc4#
- 1...Bxd5
- 2.Sc6#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(b);N_GUARD::S(B)
- Q(b);N_GUARD::S(B),XQ(b)
- Q(b);N_GUARD,P_PINR(H),P_SPINQ(b),XP(G)::S(B)
- B(d);SBLOCK::R(H)
- B(k);N_GUARD,P_PINR(H),P_SPINB(k),XP(G)::S(C)
- B(k);N_GUARD::S(C),XB(k)
- P(i);N_GUARD::R1(H)
- Tries
- Try
- S(B);
- Threat
- R(H)
- Vars
- B(k);N_GUARD,P_PINR(H),P_SPINB(k),XP(G)::S(C)
- P(i);N_GUARD::R1(H)
- Refutation
- Q(b);P_PINR(H),P_SPINQ(b),XP(G)
- Try
- S(C);
- Threat
- R(H)
- Vars
- Q(b);N_GUARD,P_PINR(H),P_SPINQ(b),XP(G)::S(B)
- P(i);N_GUARD::R1(H)
- Refutation
- B(k);P_PINR(H),P_SPINB(k),XP(G)
- Try
- R(F);XB(k)
- Threat
- DUALS(2)
- Vars
- Q(b);::R(F)
- Refutation
- Q(b);P_PINR(H),XP(G)
- Try
- Actual
- B(E);
- Threat
- R(H)
- Vars
- Q(b);N_GUARD,P_PINR(H),P_SPINQ(b),XP(G)::S(B)
- B(k);N_GUARD,P_PINR(H),P_SPINB(k),XP(G)::S(C)
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