MESON Chess Problem Database
Problem Display
PID: 2167 (1Q6/1Pr1p1p1/4P3/1nN4R/1B1kP3/4p1RB/bK1NP3/8 w - - 0 1)
Carpenter, George Edward
Source?, 0000
#2
12 + 7
| 1679 | American Chess Nuts | 1868 |
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1950 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Bxc5#
- 1...Rc6
- 2.Qe5#
- 1...Rxb7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Bxe6
- 2.Sxe6#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...Rxc5
- Tries
- 1.Bg2?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...g5
- 2.Qh8#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Bg4?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...g5
- 2.Qh8#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Rg1?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...g5
- 2.Qh8#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Rg2?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...g5
- 2.Qh8#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Rg4?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...g5
- 2.Qh8#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 2.exd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Rgg5?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Rg6?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...exd2!
- 1...Rxc5
- 1.Rxg7?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...exd2!
- 1...Rxc5
- 1.Rf5?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Rhg5?
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...exd2!
- 1...Rxc5
- 1.Qd8+?
- 1...Bd5
- 2.Scb3#
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd6
- 2.Bc3#
- 1...Rd7!
- 1...Bd5
- 1.Qf8?
- threat
- 2.Qxg7#
- 1...Rxc5
- 2.Bxc5#
- 1...g5
- 2.Qg7#
- 2.Qh8#
- 1...g6
- 2.Qg7#
- 2.Qh8#
- 1...exd2!
- threat
- 1.Qg8?
- threat
- 2.Qxg7#
- 1...Rxc5
- 2.Bxc5#
- 1...g5
- 2.Qg7#
- 2.Qh8#
- 1...g6
- 2.Qg7#
- 2.Qh8#
- 1...exd2!
- threat
- 1.Qh8?
- threat
- 2.Qxg7#
- 1...Rxc5
- 2.Bxc5#
- 1...exd2!
- threat
- 1.Bg2?
- Keys
- 1.Bf1!
- 1...Rxc5
- 2.Bxc5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxe6
- 2.Sxe6#
- 1...exd2
- 2.e3#
- 1...g5
- 2.Qh8#
- 1...Rc6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bb1
- 2.Scb3#
- 2.Rd5#
- 1...Bb3
- 2.Scxb3#
- 1...Bc4
- 2.Sf3#
- 1...Bd5
- 2.Rxd5#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd6
- 2.Bc3#
- 1...Sa7
- 2.Bc3#
- 1...g6
- 2.Qh8#
- 1...Rxc5
- 1.Bf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE::QAB1(L)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- B(a);XP(J)::S(H),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- P(g);OGATEB::QAB(L)
- Tries
- Try
- B(E);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- P(g);OGATEB::QAB(L)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- B(E);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- P(g);OGATEB::QAB(L)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- R(D);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- P(g);OGATEB::QAB(L)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- R(D);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- P(g);OGATEB::QAB(L)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- R(D);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- P(g);OGATEB::QAB(L)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- R(D);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(D),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- P(g);OGATEB::QAB(L)
- Refutation
- P(b);XS(B)
- Try
- R(D);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- R(D);XP(g)
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(b);XS(B)
- Try
- R(I);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- P(g);OGATEB::QAB(L)
- Refutation
- P(b);XS(B)
- Try
- R(I);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- P(g);OGATEB::QAB(L)
- Refutation
- P(b);XS(B)
- Try
- Q(L);CHECK
- Vars
- S(d);P_SPINS(d)::B(F)
- Refutation
- R(e);P_SPINR(e)
- Try
- Q(L);
- Threat
- QAB(L),XP(g)
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- Refutation
- P(b);XS(B)
- Try
- Q(L);
- Threat
- QAB(L),XP(g)
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- Refutation
- P(b);XS(B)
- Try
- Q(L);P_PINP(g)
- Threat
- QAB(L),XP(g)
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- Refutation
- P(b);XS(B)
- Try
- Actual
- B(E);
- Vars
- R(e);OGATE,XS(H)::B(F),XR(e)
- R(e);OGATE,XP(K)::QAB1(L)
- B(a);XP(J)::S(H),XB(a)
- P(b);OGATE,XS(B)::P(C)
- P(g);OGATEB::QAB(L)
- R(e);OGATE::QAB1(L)
- B(a);N_GUARD::S(H),XB(a)
- B(a);SBLOCK::S(B)
- B(a);N_GUARD::R1(I),XB(a)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
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).