MESON Chess Problem Database

Problem Display
PID: 242058 (8/8/8/2K5/8/2k3p1/Q2r2N1/4B3 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/8/8/2K5/8/2k3p1/Q2r2N1/4B3

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qc4#
  • Tries
    • 1.Kb5?
      • 1...Kd3
        • 2.Qc4#
      • 1...Kd4!
    • 1.Qa4?
      • 1...Kd3
        • 2.Qc4#
      • 1...Kb2!
  • Keys
    • 1.Sf4!
      • 1...g2
        • 2.Bxd2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);N_SPINR(a),P-FLIGHT::QAB1(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • P(c);::B(A),XR(a)
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