MESON Chess Problem Database

Problem Display
PID: 231535 (8/8/8/2R3p1/4p1K1/2p1k3/2Q5/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1927

8/8/8/2R3p1/4p1K1/2p1k3/2Q5/8

#2

3 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxc3#
  • Tries
    • 1.Kg3?
      • 1...Kd4
        • 2.Qxc3#
      • 1...g4!
    • 1.Kxg5?
      • 1...Kd4
        • 2.Qxc3#
      • 1...Kf3!
  • Keys
    • 1.Re5!
      • 1...Kd4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(A),XP(a)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAB1(A),XP(a)
      • Refutation
        • P(d);
    • Try
      • K(B);P-FLIGHT,XP(d)
      • Vars
        • K(b);S_FLIGHT::QAB1(A),XP(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(C);P_PINP(c)
    • Vars
      • K(b);N_SPINP(c),S_FLIGHT::QAR1(A),XP(c)
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Developed and maintained by Brian Stephenson.
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