MESON Chess Problem Database

Problem Display
PID: 189940 (8/3k4/2R2P2/2P3Kp/8/2pB2Q1/2bR3b/8 w - - 0 1)

Laue, Kurt

Magyar Sakkvilag, 1912

8/3k4/2R2P2/2P3Kp/8/2pB2Q1/2bR3b/8

#2

7 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Ke8
        • 2.Qe7#
      • 1...Bxd6!
    • 1.Qc7+?
      • 1...Ke8
        • 2.Qe7#
      • 1...Bxc7!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Bf5#
        • 2.Qh3#
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxc8
        • 2.Ba6#
      • 1...Bxd3
        • 2.Qh3#
      • 1...Bxg3
        • 2.Bf5#
      • 1...cxd2
        • 2.Qh3#
      • 1...Bd1
        • 2.Bf5#
      • 1...Bb3
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(C)
      • Refutation
        • B(b);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • B(b);XQ(C)
  • Actual
    • R(F);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);S_FLIGHT::B(B)
      • K(e);S_FLIGHT,XR(F)::B(B)
      • B(a);P_SPINB(a),XB(B)::QAB(C)
      • B(b);XQ(C)::R(A)+B(B),DCHECK
      • P(c);XR(A)::QAB(C)
      • B(a);::R(A)+B(B),DCHECK
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