MESON Chess Problem Database
Problem Display
PID: 7413 (4q3/3r4/8/N3b1R1/1B1kB3/3r2Np/1Pb2P2/5Q1K w - - 0 1)
Shire, David J
StrateGems, 1999
#2
9 + 7
| 3256 | David Shire Selected Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sc6#
- 1...Rd2
- 2.Sc6#
- 2.Qc4#
- 1...Ra3
- 2.Sc6#
- 2.Qc4#
- 1...Rb3
- 2.Sc6#
- 2.Qc4#
- 1...Rc3
- 2.bxc3#
- 1...Re3
- 2.Sc6#
- 2.Qc4#
- 1...Rf3
- 2.Sc6#
- 2.Qc4#
- 1...Rxg3
- 2.Qc4#
- 1...Bd1
- 2.Qxd3#
- 1...Bb3
- 2.Qxd3#
- 1...Ba4
- 2.Qxd3#
- 1...Bf4
- 2.Bc5#
- 1...Bd6
- 2.Rd5#
- 1...Bf6
- 2.Bc5#
- 1...Bc7
- 2.Bc5#
- 1...Bg7
- 2.Bc5#
- 1...Bb8
- 2.Bc5#
- 1...Bh8
- 2.Bc5#
- 1...Rd1
- Tries
- 1.Bg2?
- threat
- 2.Se2#
- 2.Sf5#
- 1...Rxg3
- 2.Sc6#
- 2.Qc4#
- 1...Bxg3
- 2.Bc5#
- 1...Rf3
- 2.Qc4#
- 1...Qh5
- 2.Sf5#
- 1...Qg6
- 2.Se2#
- 1...Qf7
- 2.Se2#
- 1...Qe6
- 2.Se2#
- 1...Qf8
- 2.Se2#
- 1...Rd1
- 2.Sc6#
- 1...Rd2
- 2.Sc6#
- 2.Qc4#
- 1...Ra3
- 2.Sc6#
- 2.Qc4#
- 1...Rb3
- 2.Sc6#
- 2.Qc4#
- 1...Rc3
- 2.bxc3#
- 1...Re3
- 2.Sc6#
- 2.Qc4#
- 1...Rf7
- 2.Se2#
- 1...Bd1
- 2.Sf5#
- 1...Bf4
- 2.Bc5#
- 1...Bd6
- 2.Rd5#
- 1...Bf6
- 2.Bc5#
- 1...Bc7
- 2.Bc5#
- 1...Bg7
- 2.Bc5#
- 1...Bb8
- 2.Bc5#
- 1...Bh8
- 2.Bc5#
- 1...hxg2+!
- threat
- 1.Bg2?
- Keys
- 1.Bf3!
- threat
- 2.Se2#
- 2.Sf5#
- 1...Rxf3
- 2.Qc4#
- 1...Bxg3
- 2.Bc5#
- 1...Qg6
- 2.Se2#
- 1...Qf7
- 2.Se2#
- 1...Qe6
- 2.Se2#
- 1...Qf8
- 2.Se2#
- 1...Rd1
- 2.Sc6#
- 1...Rd2
- 2.Sc6#
- 2.Qc4#
- 1...Ra3
- 2.Sc6#
- 2.Qc4#
- 1...Rb3
- 2.Sc6#
- 2.Qc4#
- 1...Rc3
- 2.bxc3#
- 1...Re3
- 2.Sc6#
- 2.Qc4#
- 1...Rf7
- 2.Se2#
- 1...Bd1
- 2.Sf5#
- 1...Bf4
- 2.Bc5#
- 1...Bd6
- 2.Rd5#
- 1...Bf6
- 2.Bc5#
- 1...Bc7
- 2.Bc5#
- 1...Bg7
- 2.Bc5#
- 1...Bb8
- 2.Bc5#
- 1...Bh8
- 2.Bc5#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- R(b);P_PINQ(A)::S(H)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE,XS(E)::QAR1(A)
- B(a);N_GUARD::QAR1(A),XR(b)
- B(e);::B(F)
- B(e);OGATE::R1(I)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(e);XS(E)::B(F)
- R(b);OGATE::QAR1(A)
- Q(g);::S(E)
- R(b);P_PINQ(A)::S(H)
- R(b);OGATE::P(C),XR(b)
- R(f);::S(E)
- B(a);::S(E)
- B(e);::B(F)
- B(e);OGATE::R1(I)
- Refutation
- P(c);CHECK,XB(G)
- Try
- Actual
- B(G);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XB(G)::QAR1(A)
- B(e);XS(E)::B(F)
- Q(g);::S(E)
- R(b);P_PINQ(A)::S(H)
- R(b);OGATE::P(C),XR(b)
- R(f);::S(E)
- B(a);::S(E)
- B(e);::B(F)
- B(e);OGATE::R1(I)
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