MESON Chess Problem Database

Problem Display
PID: 76404 (2N2N2/8/1P1P2p1/1K1k3q/R2p1nQr/8/PR1Pr2B/1B6 w - - 0 1)

Gamage, Frederick

Frederick Gamage (Prcic), 2004

2N2N2/8/1P1P2p1/1K1k3q/R2p1nQr/8/PR1Pr2B/1B6

#2

12 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe6#
    • 1...Sg2
      • 2.Rxd4#
    • 1...Sd3
      • 2.Rxd4#
    • 1...Sh3
      • 2.Rxd4#
    • 1...Se6
      • 2.Se7#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Rc5#
      • 1...Ke5
        • 2.Qe6#
      • 1...Sd3
        • 2.Rxd4#
      • 1...Se6
        • 2.Se7#
      • 1...d3!
    • 1.Qe6+?
      • 1...Sxe6
        • 2.Se7#
      • 1...Rxe6!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Rc5#
      • 1...Ke4+
        • 2.Rc5#
      • 1...Ke5
        • 2.Qe6#
      • 1...Sd3
        • 2.Rxd4#
      • 1...Se6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(e);P-FLIGHT,P_SPINS(c)::QAR1(G)
    • S(c);::R1(F),XP(b)
    • S(c);S_CUTR(a)::S(K)
  • Tries
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • K(e);P-FLIGHT,P_SPINS(c)::QAR1(G)
        • S(c);::R1(F),XP(b)
        • S(c);S_CUTR(a)::S(K)
      • Refutation
        • P(b);
    • Try
      • Q(G);CHECK
      • Vars
        • S(c);XQ(G)::S(K)
      • Refutation
        • R(a);XQ(G)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(e);CHECK,P_SPINP(b),P_SPINS(c),S_FLIGHT::B(A)+R(C)
      • K(e);P-FLIGHT,P_SPINS(c)::QAR1(G)
      • S(c);::R1(F),XP(b)
      • S(c);S_CUTR(a)::S(K)
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Developed and maintained by Brian Stephenson.
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