MESON Chess Problem Database

Problem Display
PID: 129841 (4k3/r3P3/8/2PQ2b1/p3R3/8/8/3K4 w - - 0 1)

Nejedlo, Vaclav

Ruch, 1948

4k3/r3P3/8/2PQ2b1/p3R3/8/8/3K4

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf7+?
      • 1...Kd7
        • 2.e8Q#
      • 1...Kxf7!
  • Keys
    • 1.c6!
      • threat
        • 2.Qg8#
      • 1...Rd7
        • 2.cxd7#
      • 1...Bh6
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::P=Q
      • Refutation
        • K(d);S_FLIGHT,XQ(D)
  • Actual
    • P(C);
    • Threat
      • QAR2(D)
    • Vars
      • R(c);OGATE,P_PINQ(D)::P(C),XR(c)
      • B(b);OGATE::QAB(D)
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