MESON Chess Problem Database

Problem Display
PID: 232430 (b4R2/2N3p1/8/2n5/2B1kP2/2P1P1R1/2p5/4Q2K w - - 0 1)

Degenkolbe, Mirko

Freie Presse, 1982

b4R2/2N3p1/8/2n5/2B1kP2/2P1P1R1/2p5/4Q2K

#2

9 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Se6?
      • threat
        • 2.Sxc5#
        • 2.Sg5#
      • 1...Sb3
        • 2.Sg5#
      • 1...Sd3
        • 2.Sg5#
      • 1...Sa4
        • 2.Sg5#
      • 1...Sa6
        • 2.Sg5#
      • 1...Sb7
        • 2.Sg5#
      • 1...Sd7
        • 2.Sg5#
      • 1...g5
        • 2.Sxc5#
        • 2.Sxg5#
      • 1...Sxe6!
    • 1.Bd5+?
      • 1...Kd3
        • 2.e4#
      • 1...Bxd5!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Bg6#
      • 1...Kd3+
        • 2.e4#
      • 1...Kf5+
        • 2.Bd5#
      • 1...g6
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::S(H)
      • Refutation
        • S(c);XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • K(b);OGATE,P_PINB(F),S_FLIGHT::R(E)+P(D)
      • Refutation
        • B(e);XB(F)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • K(b);CHECK,OGATE,S_FLIGHT::R(E)+P(D)
      • K(b);CHECK,S_FLIGHT::R(I)+B(F)
      • P(d);::B(F),XP(d)
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