MESON Chess Problem Database

Problem Display
PID: 242059 (8/8/8/Qnk1K3/4B3/P7/1P6/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/8/8/Qnk1K3/4B3/P7/1P6/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qb4#
  • Tries
    • 1.Kf4?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kd4
        • 2.Qb4#
      • 1...Kd6!
    • 1.Ke6?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kd4!
    • 1.Bb1?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kc6!
    • 1.Bc2?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kc6!
    • 1.Bf5?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kc6!
    • 1.Bc6?
      • threat
        • 2.Qxb5#
      • 1...Kc4
        • 2.Qxb5#
      • 1...Kxc6!
    • 1.Bg6?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kc6!
    • 1.Bh7?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kc6!
  • Keys
    • 1.a4!
      • 1...Kc4
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
        • K(b);N_SPINS(a),S_FLIGHT::QAR2(D)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR1(D),XS(a)
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAB1(D),XS(a)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT,XB(C)
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(b);N_SPINS(a),P-FLIGHT::QAB1(D),XS(a)
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