MESON Chess Problem Database
Problem Display
PID: 109003 (nq2R3/b6Q/b1B5/2pprpp1/N1p1k3/2R2N1P/3BK3/8 w - - 0 1)
Moore, Charles W
Toronto Telegram, 1950
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Rxe5#
- 1...Qb2
- 2.Rxe5#
- 1...Qb3
- 2.Rxe5#
- 1...Qb4
- 2.Rxe5#
- 1...Qb5
- 2.Rxe5#
- 1...Qb6
- 2.Rxe5#
- 1...Qb7
- 2.Rxe5#
- 1...Qc8
- 2.Rxe5#
- 1...Qd8
- 2.Rxe5#
- 1...Bb7
- 2.Rxc4#
- 1...Bc8
- 2.Rxc4#
- 1...Sb6
- 2.Sxc5#
- 1...Sc7
- 2.Rxe5#
- 1...Qb1
- Tries
- 1.Bxg5?
- threat
- 2.Re3#
- 1...Qb3
- 2.Rxe5#
- 1...Qb2+!
- threat
- 1.Rd3?
- threat
- 2.Sxg5#
- 2.Sc3#
- 2.Bxd5#
- 1...Qxe8
- 2.Sxg5#
- 2.Sc3#
- 1...Rxe8
- 2.Sc3#
- 2.Bxd5#
- 1...Qb2
- 2.Sxg5#
- 2.Bxd5#
- 1...Qd6
- 2.Sxg5#
- 2.Sc3#
- 1...Qb3
- 2.Sxg5#
- 2.Bxd5#
- 2.Rxe5#
- 1...Qb4
- 2.Sxg5#
- 2.Bxd5#
- 2.Rxe5#
- 1...Qb7
- 2.Sxg5#
- 2.Sc3#
- 2.Rxe5#
- 1...Qd8
- 2.Sc3#
- 2.Rxe5#
- 1...Re6
- 2.Sc3#
- 2.Bxd5#
- 1...Re7
- 2.Sc3#
- 2.Bxd5#
- 1...Bb7
- 2.Sxg5#
- 2.Sc3#
- 1...Sb6
- 2.Sxg5#
- 2.Sc3#
- 2.Sxc5#
- 1...Sc7
- 2.Sxg5#
- 2.Sc3#
- 2.Rxe5#
- 1...c3
- 2.Sxg5#
- 2.Sxc3#
- 2.Bxd5#
- 1...g4
- 2.Sg5#
- 2.Sc3#
- 2.Bxd5#
- 1...cxd3+!
- threat
- 1.Qxa7?
- threat
- 2.Sxc5#
- 1...Qxa7
- 2.Rxe5#
- 1...f4
- 2.Qh7#
- 1...Qb4
- 2.Rxe5#
- 1...Qb5
- 2.Rxe5#
- 1...Qb6
- 2.Rxe5#
- 1...Qd6!
- threat
- 1.Bxg5?
- Keys
- 1.Qb7!
- threat
- 2.Bxd5#
- 1...Qxb7
- 2.Rxe5#
- 1...Qxe8
- 2.Qb1#
- 1...Bxb7
- 2.Rxc4#
- 1...f4
- 2.Qh7#
- 1...Qd6
- 2.Qb1#
- 1...Qd8
- 2.Rxe5#
- 2.Qb1#
- 1...Sb6
- 2.Sxc5#
- 1...Sc7
- 2.Rxe5#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(k);N_GUARD::R1(I),XR(e)
- Q(k);N_GUARD,P_PINB(A)::R1(I),XR(e)
- B(h);N_GUARD::R(C),XP(a)
- S(j);S_CUTB(i)::S(F),XP(c)
- S(j);S_CUTQ(k)::R1(I),XR(e)
- Tries
- Try
- B(A);XP(g)
- Threat
- R1(C)
- Vars
- Q(k);N_GUARD::R1(I),XR(e)
- Refutation
- Q(k);CHECK
- Try
- R(C);
- Threat
- DUALS(3)
- Refutation
- P(a);CHECK,XR(C)
- Try
- Q(H);XB(i)
- Threat
- S(F),XP(c)
- Vars
- Q(k);N_GUARD,XQ(H)::R1(I),XR(e)
- P(f);OGATEB::QAB(H)
- Q(k);N_GUARD::R1(I),XR(e)
- Refutation
- Q(k);
- Try
- Actual
- Q(H);
- Threat
- B(G),XP(d)
- Vars
- Q(k);N_GUARD,XQ(H)::R1(I),XR(e)
- Q(k);N_GUARD,N_SPINR(e),XR(I)::QAB(H)
- B(h);N_GUARD,XQ(H)::R(C),XP(a)
- P(f);OGATEB::QAB(H)
- Q(k);N_GUARD::QAB(H)
- S(j);S_CUTB(i)::S(F),XP(c)
- S(j);S_CUTQ(k)::R1(I),XR(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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