MESON Chess Problem Database

Problem Display
PID: 242019 (8/B7/1p2Q3/2k5/8/2K5/1N6/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/B7/1p2Q3/2k5/8/2K5/1N6/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qxb6#
  • Tries
    • 1.Kc2?
      • 1...Kd4
        • 2.Bxb6#
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kb4!
    • 1.Kd2?
      • 1...Kd4
        • 2.Bxb6#
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kb4!
    • 1.Kd3?
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kb4!
    • 1.Bb8?
      • threat
        • 2.Qc4#
      • 1...b5
        • 2.Sd3#
        • 2.Ba7#
        • 2.Qd6#
      • 1...Kb5!
    • 1.Qd6+?
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kxd6!
    • 1.Qf6?
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kd5!
    • 1.Qg6?
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kd5!
    • 1.Qh6?
      • 1...Kb5
        • 2.Qxb6#
      • 1...Kd5!
  • Keys
    • 1.Kb3!
      • 1...Kd4
        • 2.Bxb6#
      • 1...Kb5
        • 2.Qxb6#

FEATURES

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