MESON Chess Problem Database

Problem Display
PID: 246056 (8/2R5/QNnP4/prk1PN2/2p2K2/qpP3Bb/1P2BPp1/5r2 w - - 0 1)

Svitek, Miroslav

Problemas, 2019

8/2R5/QNnP4/prk1PN2/2p2K2/qpP3Bb/1P2BPp1/5r2

#2

12 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf2+
      • 2.Bxf2#
    • 1...Rxb6
      • 2.Qxc4#
  • Tries
    • 1.Ke4?
      • threat
        • 2.Sd7#
      • 1...Rxb6
        • 2.Qxc4#
      • 1...Bxf5+!
    • 1.Sd4?
      • threat
        • 2.Rxc6#
        • 2.Qxb5#
      • 1...Rxb6
        • 2.Qxc4#
      • 1...Qb4
        • 2.Rxc6#
      • 1...Qa4
        • 2.Rxc6#
      • 1...Rb4
        • 2.Rxc6#
      • 1...Bd7
        • 2.Qxb5#
      • 1...Rxf2+!
    • 1.Sa4+?
      • 1...Qxa4
        • 2.Qxc6#
      • 1...Kd5!
    • 1.Bf3?
      • threat
        • 2.Sd7#
        • 2.Rxc6#
      • 1...Bxf5
        • 2.Rxc6#
      • 1...Rxb6!
    • 1.Qb7?
      • threat
        • 2.Rxc6#
        • 2.Qxc6#
      • 1...Rxf2+
        • 2.Bxf2#
      • 1...Rb4
        • 2.Qxc6#
      • 1...Rxb6!
    • 1.Qa8?
      • threat
        • 2.Rxc6#
        • 2.Qxc6#
      • 1...Rxf2+
        • 2.Bxf2#
      • 1...Kxb6
        • 2.Rxc6#
        • 2.Qxc6#
      • 1...Rb4
        • 2.Qxc6#
      • 1...Rxb6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Rxc6#
      • 1...Rxf2+
        • 2.Bxf2#
      • 1...Rxb6
        • 2.Qxc4#
      • 1...Bd7
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);CHECK,OGATE,XP(C)::B(E),XR(a)
    • R(h);OGATE,SBLOCK,XS(J)::QAR1(I),XP(f)
  • Tries
    • Try
      • K(F);N_SPINP(C),P-FLIGHT
      • Threat
        • S(J)
      • Vars
        • R(h);OGATE,SBLOCK,XS(J)::QAR1(I),XP(f)
      • Refutation
        • B(e);CHECK,XS(H)
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(h);OGATE,SBLOCK,XS(J)::QAR1(I),XP(f)
        • Q(c);::R1(L),XS(j)
        • R(h);::R1(L),XS(j)
        • B(e);::QAR1(I),XR(h)
      • Refutation
        • R(a);CHECK,XP(C)
    • Try
      • S(J);CHECK
      • Vars
        • Q(c);XS(J)::QAR1(I),XS(j)
      • Refutation
        • K(i);N_SPINS(j),P-FLIGHT
    • Try
      • B(B);N_SPINP(C)
      • Threat
        • DUALS(2)
      • Vars
        • B(e);XS(H)::R1(L),XS(j)
      • Refutation
        • R(h);XS(J)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);CHECK,OGATE,XP(C)::B(E),XR(a)
        • R(h);::QAR1(I),XS(j)
      • Refutation
        • R(h);XS(J)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);CHECK,OGATE,XP(C)::B(E),XR(a)
        • R(h);::QAR1(I),XS(j)
      • Refutation
        • R(h);XS(J)
  • Actual
    • S(H);
    • Threat
      • R1(L),XS(j)
    • Vars
      • R(a);CHECK,OGATE,XP(C)::B(E),XR(a)
      • R(h);OGATE,SBLOCK,XS(J)::QAR1(I),XP(f)
      • B(e);N_GUARD::S(J),XB(e)
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).