MESON Chess Problem Database

Problem Display
PID: 242053 (8/6Q1/8/5p2/5k2/3P1p2/3K4/5R2 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/6Q1/8/5p2/5k2/3P1p2/3K4/5R2

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Rxf2#
  • Tries
    • 1.Kc2?
      • 1...Ke3
        • 2.Qe5#
      • 1...f2!
    • 1.Kc3?
      • 1...Ke3
        • 2.Qe5#
      • 1...f2!
    • 1.d4?
      • 1...Ke4
        • 2.Qe5#
      • 1...f2!
  • Keys
    • 1.Rg1!
      • 1...f2
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::R(A),XP(a)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAR2(D)
      • Refutation
        • P(a);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAR2(D)
      • Refutation
        • P(a);
    • Try
      • P(C);
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(D)
      • Refutation
        • P(a);
  • Actual
    • R(A);N_PINP(a)
    • Vars
      • P(a);::QAB1(D)
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