MESON Chess Problem Database
Problem Display
PID: 256540 (B7/nK2Rp1P/Q1pP4/5Pp1/2pb2N1/3pp1R1/3P4/7k w - - 0 1)
Rice, John Michael
The Problemist Supplement, 2021
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qxa1#
- 1...Bc5
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Bb6
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c3
- 2.Qa1#
- 1...c5
- 2.Kxa7#
- 1...f6
- 2.h8Q#
- 2.h8R#
- 1...Ba1
- Tries
- 1.Re5?
- threat
- 2.h8Q#
- 2.h8R#
- 1...exd2
- 2.h8Q#
- 2.h8R#
- 1...Bb2
- 2.h8Q#
- 2.h8R#
- 1...Ba1
- 2.Qxa1#
- 2.h8Q#
- 2.h8R#
- 1...Bc3
- 2.h8Q#
- 2.h8R#
- 1...Bc5
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Bb6
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Sb5
- 2.Qxc6#
- 2.h8Q#
- 2.h8R#
- 1...Sc8
- 2.Qxc6#
- 2.h8Q#
- 2.h8R#
- 1...e2
- 2.h8Q#
- 2.h8R#
- 1...c3
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...c5
- 2.Kxa7#
- 2.h8Q#
- 2.h8R#
- 1...f6
- 2.h8Q#
- 2.h8R#
- 1...Bxe5!
- threat
- 1.f6?
- threat
- 2.h8Q#
- 2.h8R#
- 1...exd2
- 2.h8Q#
- 2.h8R#
- 1...Bb2
- 2.h8Q#
- 2.h8R#
- 1...Ba1
- 2.Qxa1#
- 2.h8Q#
- 2.h8R#
- 1...Bc3
- 2.h8Q#
- 2.h8R#
- 1...Bc5
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Be5
- 2.h8Q#
- 2.h8R#
- 1...Bb6
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Sb5
- 2.Qxc6#
- 2.h8Q#
- 2.h8R#
- 1...Sc8
- 2.Qxc6#
- 2.h8Q#
- 2.h8R#
- 1...e2
- 2.h8Q#
- 2.h8R#
- 1...c3
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...c5
- 2.Kxa7#
- 2.h8Q#
- 2.h8R#
- 1...Bxf6!
- threat
- 1.Re5?
- Keys
- 1.Rexe3!
- 1...Bxe3
- 2.h8Q#
- 2.h8R#
- 1...Ba1
- 2.Re1#
- 2.Qxa1#
- 1...Bb2
- 2.Re1#
- 1...Bc3
- 2.Re1#
- 1...Bc5
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Be5
- 2.Re1#
- 1...Bb6
- 2.Qa1#
- 2.h8Q#
- 2.h8R#
- 1...Bf6
- 2.Re1#
- 1...Bg7
- 2.Re1#
- 1...Bh8
- 2.Re1#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...c3
- 2.Qa1#
- 1...c5
- 2.Kxa7#
- 1...f6
- 2.h8Q#
- 2.h8R#
- 1...Bxe3
- 1.Rexe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- B(e);N_GUARD::QAB1(E),XB(e)
- S(h);N_GUARD::QAB(E),XP(g)
- P(d);S_CUTB(e)::QAB1(E)
- P(g);::B(J)+K(G),XS(h)
- P(i);S_CUTB(e)::P=Q
- Tries
- Try
- R(H);
- Threat
- P=Q
- Vars
- P(c);XP(A)::P=Q
- B(e);::P=Q
- P(c);::P=Q
- P(i);::P=Q
- Refutation
- B(e);XR(H)
- Try
- P(D);
- Threat
- P=Q
- Vars
- P(c);XP(A)::P=Q
- B(e);::P=Q
- P(c);::P=Q
- Refutation
- B(e);XP(D)
- Try
- Actual
- R(H);XP(c)
- Vars
- B(e);N_GUARD,XR(H)::P=Q
- B(e);N_GUARD::R(H)
- S(h);N_GUARD::QAB(E),XP(g)
- P(d);S_CUTB(e)::QAB1(E)
- P(g);::B(J)+K(G),XS(h)
- P(i);S_CUTB(e)::P=Q
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).