MESON Chess Problem Database

Problem Display
PID: 227983 (3R2b1/4p3/3bP3/5B1Q/2p1K3/1NB1P2p/R1P1r3/3k4 w - - 0 1)

Laue, Hartmut

3rd Prize, Kieler Schachgesellschaft, 1970

3R2b1/4p3/3bP3/5B1Q/2p1K3/1NB1P2p/R1P1r3/3k4

#2

10 + 7

16882 KSG-Problemschach 1969-1987 (Muck/Laue) 1993

SOLUTION

  • SOUND
  • Tries
    • 1.Kd4?
      • threat
        • 2.Ra1#
      • 1...Bc5+
        • 2.Kxc5#
      • 1...Be5+
        • 2.Kxe5#
      • 1...Ba3!
    • 1.Sd4?
      • threat
        • 2.Ra1#
      • 1...Kc1
        • 2.Ra1#
      • 1...Ba3!
  • Keys
    • 1.Kf3!
      • threat
        • 2.Ra1#
      • 1...Rf2+
        • 2.Kxf2#
      • 1...Rxe3+
        • 2.Kxe3#
      • 1...Rxc2
        • 2.Bxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);N_PINB(e),N_SPINP(E),P-FLIGHT
      • Threat
        • R(A)
      • Vars
        • B(e);CHECK::R(J)+K(F),XB(e)
      • Refutation
        • B(e);
    • Try
      • S(C);N_PINB(e)
      • Threat
        • R(A)
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::R(A)
      • Refutation
        • B(e);
  • Actual
    • K(F);N_PINR(b),N_SPINP(E),S_FLIGHT
    • Threat
      • R(A)
    • Vars
      • R(b);CHECK::QAB(H)+K(F),XR(b)
      • R(b);CHECK,XP(E)::QAB(H)+K(F),XR(b)
      • R(b);OGATE,XP(B)::B(G),XR(b)
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