MESON Chess Problem Database
Problem Display
PID: 263415 (3n4/R2Q2Rn/1P1b1B2/p2k4/1p5K/rN1P4/8/8 w - - 0 1)
Barnes, Barry Peter
Lipton, Michael
The Problemist, 2019
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.Rxa5#
- 1...Sg5
- 2.Rxg5#
- 1...Sxf6
- 2.Rg5#
- 1...Sf8
- 2.Rg5#
- 1...Sc6
- 2.Qf7#
- 1...Se6
- 2.Qb7#
- 1...a4
- 2.Ra5#
- 1...Rxb3
- Tries
- 1.Rc7?
- threat
- 2.Rc5#
- 1...Sc6
- 2.Qf7#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qf7#
- 1...Rxb3!
- threat
- 1.Re7?
- threat
- 2.Re5#
- 1...Rxb3
- 2.Rxa5#
- 1...Sc6
- 2.Qe6#
- 1...Se6
- 2.Qb7#
- 1...Sf7
- 2.Qb7#
- 1...Sxf6!
- threat
- 1.Rxh7?
- threat
- 2.Rh5#
- 1...Sc6
- 2.Qf7#
- 1...Se6
- 2.Qb7#
- 1...Sf7!
- threat
- 1.Rc7?
- Keys
- 1.Rg4!
- threat
- 2.Rd4#
- 1...Rxb3
- 2.Rxa5#
- 1...Sxf6
- 2.Rg5#
- 1...Sc6
- 2.Qf7#
- 1...Se6
- 2.Qb7#
- threat
- 1.Rg4!
This is a version of 215942
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD,XS(A)::R(F),XP(c)
- S(f);N_GUARD::R(H),XS(f)
- S(f);N_GUARD,XB(E)::R(H)
- S(f);N_GUARD::R(H)
- S(g);N_GUARD,SBLOCK::QAB(G)
- P(c);S_CUTR(a)::R(F)
- Tries
- Try
- R(F);
- Threat
- R1(F)
- Vars
- S(g);N_GUARD::QAB(G)
- S(g);N_GUARD,SBLOCK::QAB1(G)
- Refutation
- R(a);XS(A)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- R(a);N_GUARD,XS(A)::R(F),XP(c)
- S(g);N_GUARD,SBLOCK::QAB1(G)
- S(g);N_GUARD::QAB(G)
- Refutation
- S(f);XB(E)
- Try
- R(H);XS(f)
- Threat
- R(H)
- Vars
- S(g);N_GUARD,SBLOCK::QAB(G)
- Refutation
- S(g);
- Try
- Actual
- R(H);
- Threat
- R1(H)
- Vars
- R(a);N_GUARD,XS(A)::R(F),XP(c)
- S(f);N_GUARD,XB(E)::R(H)
- S(g);N_GUARD,SBLOCK::QAB(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).