MESON Chess Problem Database
Problem Display
PID: 230796 (2q2nB1/nN4Q1/3r1r2/R2pB3/2k2N1R/P2p4/P3PK2/5b2 w - - 0 1)
Caine, Walter Edmund
Sunday Chronicle, 1948
(First published on Sun Oct 10 1948)
#2
11 + 9
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.Rc5#
- 1...Qg4
- 2.Rc5#
- 1...Qf5
- 2.Rc5#
- 1...Qe6
- 2.Rc5#
- 1...Qd7
- 2.Rc5#
- 1...Qc5+
- 2.Rxc5#
- 1...Qa8
- 2.Rc5#
- 1...Qb8
- 2.Rc5#
- 1...Qd8
- 2.Rc5#
- 1...Qe8
- 2.Rc5#
- 1...Ra6
- 2.Bxd5#
- 1...Rb6
- 2.Bxd5#
- 1...Rc6
- 2.Bxd5#
- 1...Rxf4+
- 2.Rxf4#
- 1...Rf5
- 2.Sxd6#
- 1...Re6
- 2.Sxd5#
- 1...Rf7
- 2.Sxd6#
- 1...Bg2
- 2.exd3#
- 1...Bh3
- 2.exd3#
- 1...Sb5
- 2.Ra4#
- 1...Sc6
- 2.Rc5#
- 1...Se6
- 2.Sxd6#
- 1...Qh3
- Tries
- 1.Qxf6?
- threat
- 2.Sxd6#
- 1...Qc5+
- 2.Rxc5#
- 1...Qxb7
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Sg6#
- 1...Rxf6
- 2.Bxd5#
- 1...Qe6
- 2.Rc5#
- 1...Qd7
- 2.Rc5#
- 1...Qc6
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Sg6#
- 1...Qc7
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Sg6#
- 1...Qb8
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Sg6#
- 2.Rc5#
- 1...Qd8
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Sg6#
- 2.Rc5#
- 1...Ra6
- 2.Bxd5#
- 1...Rb6
- 2.Bxd5#
- 1...Rc6
- 2.Bxd5#
- 1...Re6
- 2.Sxd5#
- 1...Rd7
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Sg6#
- 1...Sb5
- 2.Ra4#
- 1...Rd8!
- threat
- 1.Qg3?
- threat
- 2.Qxd3#
- 1...Qc5+
- 2.Rxc5#
- 1...Rxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...dxe2
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Qh3
- 2.Rc5#
- 1...Qf5
- 2.Rc5#
- 1...d2
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Bxe2!
- threat
- 1.Qc7+?
- 1...Rc6
- 2.Bxd5#
- 1...Sc6
- 2.Rc5#
- 1...Qxc7!
- 1...Rc6
- 1.Qxf6?
- Keys
- 1.Qg2!
- threat
- 2.Qe4#
- 1...Qc5+
- 2.Rxc5#
- 1...Rxf4+
- 2.Rxf4#
- 1...Bxg2
- 2.exd3#
- 1...Qf5
- 2.Rc5#
- 1...Qe6
- 2.Rc5#
- 1...Rde6
- 2.Qxd5#
- 1...Rfe6
- 2.Sxd5#
- 1...Rf7
- 2.Sxd6#
- 1...Sb5
- 2.Ra4#
- 1...Sc6
- 2.Rc5#
- 1...Se6
- 2.Sxd6#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- Q(h);N_GUARD::R1(G)
- Q(h);N_GUARD,N_SPINP(d)::R1(G)
- Q(h);CHECK,N_GUARD::R1(G),XQ(h)
- R(e);N_GUARD::B(K),XP(d)
- R(f);CHECK,OGATE,P_SPINR(f),XS(E)::R(F),XR(f)
- R(f);N_GUARD::S(I),XR(e)
- R(f);N_PINS(E),N_SPINP(d)::R(F)+S(E),XP(d)
- R(f);N_GUARD,N_SPINP(d)::S(I),XR(e)
- B(a);N_GUARD::P(B),XP(b)
- S(g);SBLOCK::R(G)
- S(g);S_CUTQ(h)::R1(G)
- S(i);N_SPINP(d),S_CUTR(f)::S(I),XR(e)
- Tries
- Try
- Q(J);N_SPINS(E),XR(f)
- Threat
- S(I),XR(e)
- Vars
- Q(h);CHECK,N_GUARD::R1(G),XQ(h)
- R(e);N_GUARD,P_PINS(E),XQ(J)::B(K),XP(d)
- Q(h);N_GUARD,N_SPINP(d)::R1(G)
- Q(h);N_GUARD::R1(G)
- R(e);N_GUARD::B(K),XP(d)
- R(e);N_SPINP(d),S_CUTQ(h)::R(F)+S(E),XP(d)
- S(g);SBLOCK::R(G)
- Refutation
- R(e);
- Try
- Q(J);
- Threat
- QAB1(J),XP(b)
- Vars
- Q(h);CHECK,N_GUARD::R1(G),XQ(h)
- Q(h);N_GUARD::R1(G)
- Refutation
- B(a);XP(B)
- Try
- Q(J);CHECK
- Vars
- R(e);P_SPINR(e)::B(K),XP(d)
- S(g);P_SPINS(g)::R1(G)
- Refutation
- Q(h);XQ(J)
- Try
- Actual
- Q(J);
- Threat
- QAR2(J)
- Vars
- Q(h);CHECK,N_GUARD::R1(G),XQ(h)
- R(f);CHECK,OGATE,P_SPINR(f),XS(E)::R(F),XR(f)
- B(a);N_GUARD,XQ(J)::P(B),XP(b)
- Q(h);N_GUARD::R1(G)
- Q(h);N_GUARD,N_SPINP(d)::R1(G)
- R(e);N_GUARD,N_SPINP(d)::QAB1(J),XP(d)
- R(f);N_PINS(E),N_SPINP(d)::R(F)+S(E),XP(d)
- R(f);N_GUARD,N_SPINP(d)::S(I),XR(e)
- S(g);SBLOCK::R(G)
- S(g);S_CUTQ(h)::R1(G)
- S(i);N_SPINP(d),S_CUTR(f)::S(I),XR(e)
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