MESON Chess Problem Database

Problem Display
PID: 231412 (8/5N2/8/p2B4/p2kP3/Q1p5/4K3/8 w - - 0 1)

Schwarz, Bela

Nepszava, 1927

8/5N2/8/p2B4/p2kP3/Q1p5/4K3/8

#2

5 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Qe3#
  • Tries
    • 1.Kf2?
      • 1...c2
        • 2.Qe3#
      • 1...Kd3!
    • 1.Kf3?
      • 1...c2
        • 2.Qe3#
      • 1...Kd3!
    • 1.Ba2?
      • 1...c2
        • 2.Qe3#
      • 1...Kxe4!
    • 1.Qc1?
      • threat
        • 2.Qe3#
        • 2.Qg1#
      • 1...c2
        • 2.Qe3#
      • 1...Kc5!
  • Keys
    • 1.Be6!
      • 1...Kxe4
        • 2.Qxa4#
      • 1...c2
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE::QAB1(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(a);OGATE::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(a)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(a);OGATE::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(a)
    • Try
      • B(D);
      • Vars
        • P(a);OGATE::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT,XP(C)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAB1(B)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(c);P-FLIGHT,XP(C)::QAR(B),XP(b)
      • P(a);OGATE::QAB1(B)
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