MESON Chess Problem Database
Problem Display
PID: 10957 (1B1rR3/8/3pppB1/2N1k1n1/2Ppbp2/K7/7Q/8 w - - 0 1)
Hamilton, Charles Dingee Pennock
International Chess Magazine, 1885
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Sxd7#
- 1...Rxb8
- 2.Sd7#
- 1...Rc8
- 2.Sd7#
- 1...Rxe8
- 2.Sd7#
- 1...Bh1
- 2.Sd3#
- 1...Bg2
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bf3
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 1...Bc6
- 2.Sd3#
- 1...Bb7
- 2.Sd3#
- 1...Ba8
- 2.Sd3#
- 1...Sf3
- 2.Rxe6#
- 1...Sh3
- 2.Rxe6#
- 1...Sf7
- 2.Rxe6#
- 1...Sh7
- 2.Rxe6#
- 1...d3
- 2.Qb2#
- 1...f5
- 2.Qh8#
- 1...Rd7
- Tries
- 1.Rxd8?
- threat
- 2.Sd7#
- 2.Bxd6#
- 1...d3
- 2.Qb2#
- 1...f5
- 2.Sd7#
- 2.Qh8#
- 1...Bf5
- 2.Bxd6#
- 1...Bc6
- 2.Sd3#
- 2.Bxd6#
- 1...Sf7
- 2.Sd7#
- 1...Bxg6!
- threat
- 1.Qe2?
- threat
- 2.Sd3#
- 1...d3
- 2.Qb2#
- 1...f5!
- threat
- 1.Qg2?
- 1...Rxb8
- 2.Sd7#
- 1...Rxe8
- 2.Sd7#
- 1...Bxg2
- 2.Sd3#
- 1...Bxg6
- 2.Qd5#
- 1...d3
- 2.Qb2#
- 1...f3
- 2.Qh2#
- 2.Qg3#
- 1...Bb1
- 2.Qd5#
- 1...Rd7
- 2.Sxd7#
- 1...Rc8
- 2.Sd7#
- 1...Bc2
- 2.Qd5#
- 1...Bd3
- 2.Sxd3#
- 2.Qd5#
- 1...Bf3
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Bc6
- 2.Sd3#
- 1...Bb7
- 2.Sd3#
- 1...Ba8
- 2.Sd3#
- 1...Sf3
- 2.Rxe6#
- 1...Sh3
- 2.Rxe6#
- 2.Qxe4#
- 1...Sf7
- 2.Rxe6#
- 2.Qxe4#
- 1...Sh7
- 2.Rxe6#
- 2.Qxe4#
- 1...f5!
- 1...Rxb8
- 1.Rxd8?
- Keys
- 1.Qh1!
- 1...Rxb8
- 2.Sd7#
- 1...Rxe8
- 2.Sd7#
- 1...Bxh1
- 2.Sd3#
- 1...Bxg6
- 2.Qd5#
- 1...d3
- 2.Qa1#
- 1...f3
- 2.Qh2#
- 1...f5
- 2.Qh8#
- 1...Bb1
- 2.Qd5#
- 1...Rd7
- 2.Sxd7#
- 1...Rc8
- 2.Sd7#
- 1...Bc2
- 2.Qd5#
- 1...Bg2
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 2.Qd5#
- 1...Bf3
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Bc6
- 2.Sd3#
- 1...Bb7
- 2.Sd3#
- 1...Ba8
- 2.Sd3#
- 1...Sf3
- 2.Rxe6#
- 1...Sh3
- 2.Rxe6#
- 2.Qxe4#
- 1...Sf7
- 2.Rxe6#
- 2.Qxe4#
- 1...Sh7
- 2.Rxe6#
- 2.Qxe4#
- 1...Rxb8
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(i);N_GUARD::S(D),XR(i)
- R(i);N_GUARD,XB(F)::S(D)
- R(i);N_GUARD::S(D)
- R(i);N_GUARD,XR(G)::S(D)
- B(b);N_GUARD::S(D)
- B(b);N_GUARD::S(D),XB(b)
- S(e);N_GUARD::R1(G),XP(g)
- P(a);OGATEB::QAB(A)
- P(h);OGATEB::QAB(A)
- Tries
- Try
- R(G);XR(i)
- Threat
- DUALS(2)
- Vars
- P(a);OGATEB::QAB(A)
- B(b);::B(F),XP(f)
- S(e);::S(D)
- Refutation
- B(b);XB(E)
- Try
- Q(A);N_PINP(c),P_PINB(b),P_PINP(f)
- Threat
- S(D)
- Vars
- P(a);OGATEB::QAB(A)
- Refutation
- P(h);
- Try
- Q(A);N_PINP(c),P_PINP(f)
- Vars
- R(i);N_GUARD,N_SPINP(f),P_SPINP(g),XB(F)::S(D)
- R(i);N_GUARD,XR(G)::S(D)
- B(b);N_GUARD,XQ(A)::S(D)
- B(b);OGATE,XB(E)::QAR1(A)
- P(a);OGATEB::QAB(A)
- B(b);OGATE::QAR1(A)
- R(i);N_GUARD::S(D),XR(i)
- R(i);N_GUARD::S(D)
- B(b);N_GUARD::S(D)
- S(e);N_GUARD::R1(G),XP(g)
- Refutation
- P(h);
- Try
- Actual
- Q(A);N_PINP(c),P_PINP(f)
- Vars
- R(i);N_GUARD,N_SPINP(f),P_SPINP(g),XB(F)::S(D)
- R(i);N_GUARD,XR(G)::S(D)
- B(b);N_GUARD,XQ(A)::S(D)
- B(b);OGATE,XB(E)::QAR1(A)
- P(a);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- P(h);OGATEB::QAB(A)
- B(b);OGATE::QAR1(A)
- R(i);N_GUARD::S(D),XR(i)
- R(i);N_GUARD::S(D)
- B(b);N_GUARD::S(D)
- S(e);N_GUARD::R1(G),XP(g)
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).