MESON Chess Problem Database
Problem Display
PID: 156961 (1Q1r1N2/5n2/1R1Pr3/2P1k3/2B2R2/6P1/8/K2b4 w - - 0 1)
Karde, Klaus
Troll, 2015
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Rexd6
- 2.Sg6#
- 1...Rg6
- 2.Sxg6#
- 1...Re7
- 2.Sg6#
- 1...Ree8
- 2.Sg6#
- 1...Rdxd6
- 2.Sd7#
- 1...Rd7
- 2.Sxd7#
- 1...Rxb8
- 2.Sd7#
- 1...Rc8
- 2.Sd7#
- 1...Rde8
- 2.Sd7#
- 1...Rexd6
- Tries
- 1.Ra6?
- threat
- 2.Qb2#
- 1...Rexd6
- 2.Sg6#
- 1...Rdxd6
- 2.Sd7#
- 1...Rxb8
- 2.Sd7#
- 1...Bb3!
- threat
- 1.Rc6?
- threat
- 2.Qb2#
- 1...Rexd6
- 2.Sg6#
- 1...Rdxd6
- 2.Sd7#
- 1...Rxb8
- 2.Sd7#
- 1...Bb3!
- threat
- 1.d7+?
- 1...Rd6
- 2.Sg6#
- 1...Rxb8
- 2.Rxe6#
- 1...Sd6!
- 1...Rd6
- 1.Ra6?
- Keys
- 1.Rb1!
- threat
- 2.Qb2#
- 1...Rexd6
- 2.Sg6#
- 1...Rdxd6
- 2.Sd7#
- 1...Rxb8
- 2.Sd7#
- 1...Bb3
- 2.Re1#
- threat
- 1.Rb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(I)
- R(c);N_GUARD::S(I),XR(c)
- R(c);N_GUARD::S(I)
- R(e);N_GUARD,P_SPINR(e),XP(G)::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,XQ(H)::S(I)
- R(e);N_GUARD::S(I)
- Tries
- Try
- R(F);
- Threat
- QAB(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(I)
- R(e);N_GUARD,P_SPINR(e),XP(G)::S(I)
- R(e);N_GUARD,XQ(H)::S(I)
- Refutation
- B(a);
- Try
- R(F);
- Threat
- QAB(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(I)
- R(e);N_GUARD,P_SPINR(e),XP(G)::S(I)
- R(e);N_GUARD,XQ(H)::S(I)
- Refutation
- B(a);
- Try
- P(G);CHECK
- Vars
- R(c);P_SPINR(c)::S(I)
- R(e);XQ(H)::R1(F),XR(c)
- Refutation
- S(d);P_SPINS(d)
- Try
- Actual
- R(F);
- Threat
- QAB(H)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(I)
- R(e);N_GUARD,P_SPINR(e),XP(G)::S(I)
- R(e);N_GUARD,XQ(H)::S(I)
- B(a);OGATE::R(F)
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).