MESON Chess Problem Database
Problem Display
PID: 203802 (5r2/b6R/8/7R/3ppk2/3b3n/r2q2QK/1BBNN2n w - - 0 1)
Rice, John Michael
The Problemist, 1954
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf7
- 2.Rxf7#
- 1...Ra8
- 2.Rf7#
- 1...Rb8
- 2.Rf7#
- 1...Rc8
- 2.Rf7#
- 1...Rd8
- 2.Rf7#
- 1...Re8
- 2.Rf7#
- 1...Rg8
- 2.Rf7#
- 1...Rh8
- 2.Rf7#
- 1...Be2
- 2.Qxe4#
- 1...S1f2
- 2.Qg3#
- 1...S3f2
- 2.Qg5#
- 1...Rf7
- Tries
- 1.Bxd2+?
- 1...e3
- 2.Sxd3#
- 2.Qf3#
- 1...Rxd2!
- 1...e3
- 1.Rc5?
- threat
- 2.Rh4#
- 1...Rg8
- 2.Rf7#
- 1...Rh8
- 2.Rf7#
- 1...Be2
- 2.Qxe4#
- 1...S1f2
- 2.Qg3#
- 1...S3f2
- 2.Qg5#
- 1...Bxc5!
- threat
- 1.Bxd2+?
- Keys
- 1.Rd5!
- threat
- 2.Rh4#
- 1...Rg8
- 2.Rf7#
- 1...Rh8
- 2.Rf7#
- 1...Be2
- 2.Qxe4#
- 1...S1f2
- 2.Qg3#
- 1...S3f2
- 2.Qg5#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(j);N_GUARD::R(H),XR(j)
- R(j);N_GUARD::R(H)
- B(d);N_PINQ(E)::QAR1(E),XP(g)
- S(a);N_PINQ(E)::QAB1(E)
- S(e);N_PINQ(E)::QAB1(E)
- Tries
- Try
- B(B);CHECK,N_SPINQ(E),XQ(c)
- Refutation
- R(b);P_PINQ(E),XB(B)
- Try
- R(G);
- Threat
- R(H)
- Vars
- R(j);N_GUARD::R(H)
- B(d);N_PINQ(E)::QAR1(E),XP(g)
- S(a);N_PINQ(E)::QAB1(E)
- S(e);N_PINQ(E)::QAB1(E)
- Refutation
- B(i);XR(G)
- Try
- Actual
- R(G);
- Threat
- R(H)
- Vars
- R(j);N_GUARD::R(H)
- B(d);N_PINQ(E)::QAR1(E),XP(g)
- S(a);N_PINQ(E)::QAB1(E)
- S(e);N_PINQ(E)::QAB1(E)
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).