MESON Chess Problem Database

Problem Display
PID: 267897 (7B/1KpR2rQ/1p2r2q/3Pp1Pp/3kN1nR/3N4/B2PP3/7b w - - 0 1)

Gomez, Luis

Zaldo MT (Problemas), 2019

7B/1KpR2rQ/1p2r2q/3Pp1Pp/3kN1nR/3N4/B2PP3/7b

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg5
      • 2.dxe6#
    • 1...Rg8
      • 2.dxe6#
  • Tries
    • 1.Sef2?
      • threat
        • 2.e3#
      • 1...Bxd5+
        • 2.Rxd5#
      • 1...Be4
        • 2.Qxe4#
      • 1...e4
        • 2.dxe6#
      • 1...Qxg5!
  • Keys
    • 1.Sec5!
      • threat
        • 2.e3#
      • 1...Bxd5+
        • 2.Rxd5#
      • 1...Qxg5
        • 2.Sxe6#
      • 1...Be4
        • 2.Qxe4#
      • 1...e4
        • 2.dxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(j);N_GUARD,P_SPINP(d),XP(H)::R(J)+P(G),XR(g)
    • R(j);N_GUARD,P_SPINP(d)::R(J)+P(G),XR(g)
  • Tries
    • Try
      • S(E);P_PINS(c),P_SPINP(G)
      • Threat
        • P(C)
      • Vars
        • B(a);CHECK,OGATE,P_SPINB(a),XP(G)::R1(J),XB(a)
        • B(a);N_GUARD,N_SPINS(c)::QAR1(K),XB(a)
        • P(d);N_PINP(G),N_SPINS(c),P_SPINR(j)::R(J)+P(G),XR(g)
      • Refutation
        • Q(h);XP(H)
  • Actual
    • S(E);P_PINS(c),P_SPINP(G)
    • Threat
      • P(C)
    • Vars
      • B(a);CHECK,OGATE,P_SPINB(a),XP(G)::R1(J),XB(a)
      • Q(h);N_GUARD,XP(H)::S(E),XR(g)
      • B(a);N_GUARD,N_SPINS(c)::QAR1(K),XB(a)
      • P(d);N_PINP(G),N_SPINS(c),P_SPINR(j)::R(J)+P(G),XR(g)
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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).