MESON Chess Problem Database

Problem Display
PID: 238340 (8/8/2K5/2B5/1pk5/2n5/2Q1P3/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/8/2K5/2B5/1pk5/2n5/2Q1P3/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Qd3#
  • Tries
    • 1.Kb6?
      • 1...b3
        • 2.Qd3#
      • 1...Kd5!
    • 1.Kd6?
      • 1...b3
        • 2.Qd3#
      • 1...Kb5!
    • 1.Bd4?
      • 1...b3
        • 2.Qxc3#
      • 1...Kxd4!
    • 1.Be7?
      • 1...b3
        • 2.Qd3#
      • 1...Kd4!
    • 1.Bf8?
      • 1...b3
        • 2.Qd3#
      • 1...Kd4!
  • Keys
    • 1.Bd6!
      • 1...Kd4
        • 2.Qd3#
      • 1...b3
        • 2.Qd3#

FEATURES

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