MESON Chess Problem Database

Problem Display
PID: 15565 (2N5/P2p1p1B/3p1B2/3rnnp1/4kbRp/1pR4P/1Pr1P3/1Q3NK1 w - - 0 1)

Abdurahmanovic, Fadil

1st Place, Match: Netherlands - Yugoslavia, 1985

2N5/P2p1p1B/3p1B2/3rnnp1/4kbRp/1pR4P/1Pr1P3/1Q3NK1

#2

12 + 12

3748 FIDE Album (1983-1985) 1992
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3+
      • 2.exf3#
    • 1...Sc6
      • 2.Re3#
  • Tries
    • 1.Bxf5+?
      • 1...Kd4
        • 2.e3#
      • 1...Kxf5!
    • 1.a8B?
      • 1...Sf3+
        • 2.exf3#
      • 1...Sxg4
        • 2.Rc4#
      • 1...Sd3
        • 2.Sxd6#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sc6
        • 2.Re3#
      • 1...Sg6
        • 2.Sd2#
      • 1...Kd4!
  • Keys
    • 1.a8Q!
      • 1...Sf3+
        • 2.exf3#
      • 1...Kd4
        • 2.Qa4#
      • 1...Sxg4
        • 2.Rc4#
      • 1...Sd3
        • 2.Sxd6#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sc6
        • 2.Re3#
      • 1...Sg6
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(g);CHECK,OGATE::P(E),XS(g)
    • S(g);::R1(F)
  • Tries
    • Try
      • B(K);CHECK,XS(h)
      • Vars
        • K(c);N_SPINR(a),P-FLIGHT,P_SPINS(g)::P(E)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XB(K)
    • Try
      • P(J);
      • Vars
        • S(g);CHECK,OGATE::P(E),XS(g)
        • S(g);N_GUARD,N_SPINB(d),XR(H)::R(F)
        • S(g);N_SPINR(a),P_SPINR(f)::S(L),XP(j)
        • S(g);N_GUARD::R(F),XS(g)
        • S(g);::R1(F)
        • S(g);N_SPINS(h)::S(B)
      • Refutation
        • K(c);N_SPINR(a),N_SPINS(h),P-FLIGHT,P_SPINS(g)
  • Actual
    • P(J);
    • Vars
      • S(g);CHECK,OGATE::P(E),XS(g)
      • K(c);N_SPINR(a),N_SPINS(h),P-FLIGHT,P_SPINS(g)::QAR(J)
      • S(g);N_GUARD,N_SPINB(d),XR(H)::R(F)
      • S(g);N_SPINR(a),P_SPINR(f)::S(L),XP(j)
      • S(g);N_GUARD::R(F),XS(g)
      • S(g);::R1(F)
      • S(g);N_SPINS(h)::S(B)
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