MESON Chess Problem Database

Problem Display
PID: 224750 (5K2/2p5/4k3/3RB2P/5P2/1b1P4/8/7Q w - - 0 1)

Harth, D

Wiener Hausfrauen-Zeitung, 1887

5K2/2p5/4k3/3RB2P/5P2/1b1P4/8/7Q

#2

7 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qh3#
    • 1...Bxd5
      • 2.Qh3#
  • Tries
    • 1.Rd4?
      • threat
        • 2.Qh3#
      • 1...Kf5
        • 2.Qh3#
      • 1...Bd1!
    • 1.Rd6+?
      • 1...Kf5
        • 2.Qh3#
      • 1...cxd6!
    • 1.Rd8?
      • threat
        • 2.Qh3#
      • 1...Kf5
        • 2.Qh3#
      • 1...Bd1!
  • Keys
    • 1.Qf3!
      • threat
        • 2.f5#
      • 1...Kf5
        • 2.Qh3#
      • 1...Bxd5
        • 2.Qg4#
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::QAB(A)
    • B(a);SBLOCK,XR(D)::QAB(A)
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • B(a);
    • Try
      • R(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);
      • Threat
        • QAB(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Threat
      • P(C)
    • Vars
      • K(b);S_FLIGHT::QAB(A)
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