MESON Chess Problem Database

Problem Display
PID: 241899 (8/8/1R1p1K2/3k1P2/3p4/3Q4/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1932

8/8/1R1p1K2/3k1P2/3p4/3Q4/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qb5#
  • Tries
    • 1.Kg5?
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke5!
    • 1.Kg6?
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke5!
    • 1.Ke7?
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke5!
    • 1.Kf7?
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke5!
    • 1.Kg7?
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke5!
    • 1.Rb1?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc6!
    • 1.Rb2?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc6!
    • 1.Rb3?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc6!
    • 1.Rb4?
      • 1...Kc5
        • 2.Qc4#
        • 2.Qb5#
      • 1...Kc6!
    • 1.Rb8?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc6!
    • 1.Qe2?
      • 1...Kc5
        • 2.Qb5#
      • 1...d3!
    • 1.Qb3+?
      • 1...Kc5
        • 2.Qb5#
      • 1...Ke4!
    • 1.Qf3+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Kc4!
  • Keys
    • 1.Rb7!
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#

FEATURES

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