MESON Chess Problem Database

Problem Display
PID: 133314 (r1RQ4/r1p3K1/pk2b1R1/N3p2p/PP1n4/5p1q/5B2/8 w - - 0 1)

Subotic, Miroslav

8th Place, Liga Problemista, 2006/1

r1RQ4/r1p3K1/pk2b1R1/N3p2p/PP1n4/5p1q/5B2/8

#2

8 + 11

14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Rxe6#
    • 1...Qh1
      • 2.Rxe6#
    • 1...Qh2
      • 2.Rxe6#
    • 1...Qh4
      • 2.Rxe6#
    • 1...e4
      • 2.Bxd4#
  • Tries
    • 1.Sc4+?
      • 1...Kb7
        • 2.Rxc7#
        • 2.Qxc7#
      • 1...Kc6!
    • 1.Rb8+?
      • 1...Rb7
        • 2.Rxb7#
      • 1...Rxb8!
    • 1.Qd7?
      • threat
        • 2.Qc6#
      • 1...c5
        • 2.Sc4#
      • 1...c6
        • 2.Rxc6#
      • 1...Rb7!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Sc4#
      • 1...c6
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(b);N_GUARD::R(E),XB(h)
    • P(d);N_GUARD::B(A),XS(c)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(g);N_SPINS(c),P-FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • R(i);N_GUARD,P_SPINR(i)::R1(G),XR(i)
      • Refutation
        • R(k);XR(G)
    • Try
      • Q(H);N_PINP(j)
      • Threat
        • QAR1(H)
      • Vars
        • P(j);N_SPINS(c),P_PINQ(H)::S(D)
        • P(j);N_SPINB(h),OGATE,P_PINQ(H)::R1(G),XP(j)
      • Refutation
        • R(i);
  • Actual
    • Q(H);N_PINP(j)
    • Threat
      • QAB1(H)
    • Vars
      • P(j);N_SPINS(c),P_PINQ(H)::S(D)
      • P(j);N_SPINB(h),OGATE,P_PINQ(H)::R1(G),XP(j)
HTML5 logo

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).