MESON Chess Problem Database

Problem Display
PID: 241889 (8/8/8/2K5/8/2kp4/Q2p4/b2R4 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1932

8/8/8/2K5/8/2kp4/Q2p4/b2R4

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qc4#
  • Tries
    • 1.Kb5?
      • 1...Bb2
        • 2.Qc4#
      • 1...Kd4!
    • 1.Kd5?
      • 1...Bb2
        • 2.Qc4#
      • 1...Kb4!
    • 1.Qa4?
      • 1...Bb2
        • 2.Qc4#
      • 1...Kb2!
  • Keys
    • 1.Rxd2!
      • 1...Bb2
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • B(a);SBLOCK::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • B(a);SBLOCK::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • B(a);SBLOCK::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(A);XP(b)
    • Vars
      • B(a);N_GUARD::QAB1(B),XB(a)
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