MESON Chess Problem Database
Problem Display
PID: 43903 (4R1bN/3rPpR1/p1Q2P1p/Pp2k3/1KPpppP1/3P4/3N4/6B1 w - - 0 1)
Hawkins, Xenophon
The Westminster Papers, 1877
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxe7
- 2.Rxe7#
- 1...Rd8
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bh7
- 2.Sxf7#
- 1...exd3
- 2.Sf3#
- 1...e3
- 2.Sf3#
- 1...f3
- 2.Bh2#
- 1...bxc4
- 2.Sxc4#
- 1...h5
- 2.Rg5#
- 1...Rxe7
- Tries
- 1.Sxe4?
- 1...Rxe7
- 2.Rxe7#
- 2.Qd5#
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...f3
- 2.Bh2#
- 1...Rd5
- 2.Qxd5#
- 1...Ra7
- 2.Qd5#
- 2.Qd6#
- 1...Rb7
- 2.Qd5#
- 2.Qd6#
- 1...Rc7
- 2.Qd5#
- 2.Qd6#
- 1...Rd8
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bh7
- 2.Sxf7#
- 1...h5
- 2.Rg5#
- 1...bxc4!
- 1...Rxe7
- 1.Bxd4+?
- 1...Kxd4
- 2.Qxe4#
- 1...Rxd4!
- 1...Kxd4
- 1.Rxf7?
- threat
- 2.Sg6#
- 1...Bxf7
- 2.Sxf7#
- 1...Rd6
- 2.Qxe4#
- 1...Bh7!
- threat
- 1.Rgxg8?
- threat
- 2.Sxf7#
- 1...f3
- 2.Bh2#
- 1...Rd6!
- threat
- 1.Rd8?
- 1...Rxe7
- 2.Bxd4#
- 2.Rd5#
- 2.Qd6#
- 1...exd3
- 2.Sf3#
- 1...bxc4
- 2.Sxc4#
- 1...Rd6
- 2.Qxd6#
- 1...f3
- 2.Bh2#
- 1...Rd5
- 2.Rxd5#
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.Bxd4#
- 2.Rd5#
- 2.Qd6#
- 1...Rb7
- 2.Bxd4#
- 2.Rd5#
- 2.Qd6#
- 1...Rc7
- 2.Bxd4#
- 2.Rd5#
- 2.Qd6#
- 1...Bh7
- 2.Sxf7#
- 1...e3
- 2.Sf3#
- 1...h5
- 2.Rg5#
- 1...Rxd8!
- 1...Rxe7
- 1.Qd5+?
- 1...Kxf6
- 2.Bxd4#
- 1...Rxd5!
- 1...Kxf6
- 1.c5?
- 1...Rxe7
- 2.Rxe7#
- 2.Qd6#
- 1...exd3
- 2.Sf3#
- 1...Rd6
- 2.Qxd6#
- 1...f3
- 2.Bh2#
- 1...Ra7
- 2.Qd6#
- 1...Rb7
- 2.Qd6#
- 1...Rc7
- 2.Qd6#
- 1...Rd8
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bh7
- 2.Sxf7#
- 1...e3
- 2.Sf3#
- 1...h5
- 2.Rg5#
- 1...Rd5!
- 1...Rxe7
- 1.Sxe4?
- Keys
- 1.Rg6!
- 1...Rxe7
- 2.Rxe7#
- 2.Qd5#
- 1...exd3
- 2.Sf3#
- 1...bxc4
- 2.Sxc4#
- 1...fxg6
- 2.Sxg6#
- 1...Rd6
- 2.Qxe4#
- 1...f3
- 2.Bh2#
- 1...Rd5
- 2.Qxd5#
- 1...Ra7
- 2.Qd5#
- 1...Rb7
- 2.Qd5#
- 1...Rc7
- 2.Qd5#
- 1...Rd8
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bh7
- 2.Sxf7#
- 1...e3
- 2.Sf3#
- 1...h5
- 2.Rg5#
- 1...Rxe7
- 1.Rg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- R(h);OGATE,P_SPINR(h),XP(J)::R(L),XR(h)
- B(j);N_GUARD::S(M),XP(i)
- P(b);N_GUARD,XP(C)::S(B)
- P(b);N_GUARD::S(B)
- P(c);OGATEB::B(A)
- P(d);XP(E)::S(B),XP(d)
- P(g);N_GUARD::R(K)
- Tries
- Try
- S(B);XP(b)
- Vars
- R(h);N_GUARD::QAB1(H),XR(h)
- P(c);OGATEB::B(A)
- R(h);N_GUARD::QAR1(H),XR(h)
- B(j);N_GUARD::S(M),XP(i)
- P(g);N_GUARD::R(K)
- Refutation
- P(d);XP(E)
- Try
- B(A);CHECK,XP(a)
- Vars
- K(e);S_FLIGHT,XB(A)::QAR1(H),XP(b)
- Refutation
- R(h);P_PINP(E),XB(A)
- Try
- R(K);XP(i)
- Threat
- S(M)
- Vars
- B(j);XR(K)::S(M),XB(j)
- R(h);SBLOCK::QAR1(H),XP(b)
- Refutation
- B(j);
- Try
- R(K);XB(j)
- Threat
- S(M),XP(i)
- Vars
- P(c);OGATEB::B(A)
- Refutation
- R(h);
- Try
- R(L);
- Vars
- P(b);N_GUARD,XP(C)::S(B)
- P(d);XP(E)::S(B),XP(d)
- R(h);N_GUARD::QAB1(H),XR(h)
- P(c);OGATEB::B(A)
- B(j);N_GUARD::S(M),XP(i)
- P(b);N_GUARD::S(B)
- P(g);N_GUARD::R(K)
- Refutation
- R(h);XR(L)
- Try
- Q(H);CHECK
- Vars
- K(e);S_FLIGHT,XP(I)::B(A),XP(a)
- Refutation
- R(h);XQ(H)
- Try
- P(E);
- Vars
- P(b);N_GUARD,XP(C)::S(B)
- R(h);N_GUARD::QAB1(H),XR(h)
- P(c);OGATEB::B(A)
- R(h);N_GUARD::QAB1(H)
- B(j);N_GUARD::S(M),XP(i)
- P(b);N_GUARD::S(B)
- P(g);N_GUARD::R(K)
- Refutation
- R(h);
- Try
- Actual
- R(K);
- Vars
- P(b);N_GUARD,XP(C)::S(B)
- P(d);XP(E)::S(B),XP(d)
- P(i);XR(K)::S(M),XP(i)
- R(h);SBLOCK::QAR1(H),XP(b)
- P(c);OGATEB::B(A)
- R(h);N_GUARD::QAR1(H),XR(h)
- R(h);N_GUARD::QAR1(H)
- B(j);N_GUARD::S(M),XP(i)
- P(b);N_GUARD::S(B)
- P(g);N_GUARD::R(K)
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).