MESON Chess Problem Database

Problem Display
PID: 268644 (2R1Qq2/4rp2/n4N2/1Rp1P3/3k1Pp1/K3Nbr1/2PBp3/6b1 w - - 0 1)

Maleika, Gerhard

Garzon-60 JT (Problemas), 2023

2R1Qq2/4rp2/n4N2/1Rp1P3/3k1Pp1/K3Nbr1/2PBp3/6b1

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Qxe5#
    • 1...c4
      • 2.Sf5#
      • 2.Rxc4#
  • Tries
    • 1.Rd8+?
      • 1...Bd5
        • 2.Rxd5#
      • 1...Rd7!
    • 1.Qd7+?
      • 1...Bd5
        • 2.Qxd5#
      • 1...Rxd7!
  • Keys
    • 1.Rcxc5!
      • threat
        • 2.Sf5#
        • 2.Rc4#
      • 1...Rxe5
        • 2.Qxe5#
      • 1...Rxe8
        • 2.Sf5#
      • 1...Bxe3
        • 2.Bc3#
      • 1...Sxc5
        • 2.Rb4#
      • 1...Re6
        • 2.Sf5#
      • 1...Ra7
        • 2.Sf5#
      • 1...Rb7
        • 2.Sf5#
      • 1...Rc7
        • 2.Sf5#
      • 1...Rd7
        • 2.Sf5#
      • 1...Bh1
        • 2.Rc4#
      • 1...Bg2
        • 2.Rc4#
      • 1...Be4
        • 2.Rc4#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Bc6
        • 2.Rc4#
      • 1...Bb7
        • 2.Rc4#
      • 1...Ba8
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • R(i);OGATE,XP(G)::QAB1(J),XR(i)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • B(c);N_GUARD,P_PINS(D),P_SPINB(c)::R1(I),XB(c)
      • Refutation
        • R(i);P_SPINR(i)
    • Try
      • Q(J);CHECK
      • Vars
        • B(c);N_GUARD,P_PINS(D),P_SPINB(c)::QAR1(J),XB(c)
      • Refutation
        • R(i);XQ(J)
  • Actual
    • R(I);XP(g)
    • Threat
      • DUALS(2)
    • Vars
      • R(i);OGATE,P_PINR(I),XP(G)::QAB1(J),XR(i)
      • R(i);P_PINR(I),XQ(J)::S(D)
      • B(a);SBLOCK,XS(D)::B(B)
      • S(h);N_GUARD,SBLOCK,XR(I)::R(F)
      • R(i);P_PINR(I)::S(D)
      • B(c);P_PINS(D)::R1(I)
      • B(c);N_GUARD,P_PINS(D)::R1(I),XB(c)
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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).