MESON Chess Problem Database
Problem Display
PID: 140573 (1n1N4/4p3/4Ppp1/1B3bR1/1P1k1P1Q/2N1p3/6p1/4B1K1 w - - 0 1)
Stewart, John
Evening News, 1942
#2
10 + 8
| 56 | The Problemist | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Bxe6
- 2.Sxe6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2
- 2.Qf2#
- 1...fxg5
- 2.Qh8#
- 1...Bb1
- Tries
- 1.Bd2?
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qh8#
- 1...Sa6
- 2.Sc6#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2
- 2.Qf2#
- 1...exd2!
- 1...Bxe6
- 1.Be2?
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qh8#
- 1...Sa6
- 2.Sc6#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Sb5#
- 1...Bg4
- 2.Rd5#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...Bd3!
- 1...Bxe6
- 1.Ba6?
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qh8#
- 1...e2
- 2.Qf2#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...Sxa6!
- 1...Bxe6
- 1.Rxf5?
- threat
- 2.Rd5#
- 1...e2
- 2.Qf2#
- 1...gxf5!
- threat
- 1.Qg3?
- 1...Bxe6
- 2.Sxe6#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2
- 2.Bf2#
- 2.Qf2#
- 1...fxg5!
- 1...Bxe6
- 1.Qh2?
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qh8#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2!
- 1...Bxe6
- 1.Qh6?
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qg7#
- 2.Qh8#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2!
- 1...Bxe6
- 1.Qh7?
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qg7#
- 2.Qh8#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2!
- 1...Bxe6
- 1.Qh8?
- 1...Bxe6
- 2.Sxe6#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Bh3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2!
- 1...Bxe6
- 1.Bd2?
- Keys
- 1.Qh3!
- 1...Bxh3
- 2.Rd5#
- 1...Bxe6
- 2.Sxe6#
- 1...fxg5
- 2.Qh8#
- 1...Bb1
- 2.Rd5#
- 1...Bc2
- 2.Rd5#
- 1...Bd3
- 2.Rd5#
- 1...Be4
- 2.Se2#
- 1...Bg4
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...e2
- 2.Bf2#
- 1...Bxh3
- 1.Qh3!
This is a version of 30779
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- B(d);XP(I)::S(J),XB(d)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(b);OGATEB::QAB(F)
- P(e);OGATEB,XR(H)::QAB(F)
- Tries
- Try
- B(A);
- Vars
- B(d);XP(I)::S(J),XB(d)
- P(e);OGATEB,XR(H)::QAB(F)
- S(h);N_GUARD::S(J)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J),XS(h)
- P(b);OGATEB::QAB(F)
- Refutation
- P(b);XB(A)
- Try
- B(G);
- Vars
- B(d);XP(I)::S(J),XB(d)
- P(e);OGATEB,XR(H)::QAB(F)
- S(h);N_GUARD::S(J)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- B(d);
- Try
- B(G);
- Vars
- B(d);XP(I)::S(J),XB(d)
- P(e);OGATEB,XR(H)::QAB(F)
- P(b);OGATEB::QAB(F)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J),XS(h)
- S(h);N_GUARD::S(J)
- Refutation
- S(h);XB(G)
- Try
- R(H);XB(d)
- Threat
- R1(H)
- Vars
- P(b);OGATEB::QAB(F)
- Refutation
- P(f);XR(H)
- Try
- Q(F);
- Vars
- B(d);XP(I)::S(J),XB(d)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- P(e);XR(H)
- Try
- Q(F);
- Vars
- B(d);XP(I)::S(J),XB(d)
- P(e);OGATEB,XR(H)::QAB(F)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- P(b);
- Try
- Q(F);
- Vars
- B(d);XP(I)::S(J),XB(d)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- P(b);
- Try
- Q(F);
- Vars
- B(d);XP(I)::S(J),XB(d)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- P(b);
- Try
- Q(F);P_PINP(e)
- Vars
- B(d);XP(I)::S(J),XB(d)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- P(b);
- Try
- Actual
- Q(F);
- Vars
- B(d);OGATE,XQ(F)::R1(H)
- B(d);XP(I)::S(J),XB(d)
- P(e);OGATEB,XR(H)::QAB(F)
- B(d);OGATE::R1(H)
- B(d);SBLOCK::S(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(b);OGATEB::B(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).