MESON Chess Problem Database

Problem Display
PID: 240145 (K7/6p1/6Q1/4p3/4pk2/8/4pP2/4B3 w - - 0 1)

Zilahi, Zoltan

Revista Romana de Sah, 1958

K7/6p1/6Q1/4p3/4pk2/8/4pP2/4B3

#2

4 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg3#
  • Tries
    • 1.Ka7?
      • 1...Kf3
        • 2.Qg3#
      • 1...e3!
    • 1.Kb7?
      • 1...Kf3
        • 2.Qg3#
      • 1...e3!
    • 1.Kb8?
      • 1...Kf3
        • 2.Qg3#
      • 1...e3!
    • 1.Bd2+?
      • 1...Kf3
        • 2.Qg3#
      • 1...e3!
    • 1.Qg5+?
      • 1...Kf3
        • 2.Qg3#
      • 1...Kxg5!
  • Keys
    • 1.f3!
      • 1...Ke3
        • 2.Qxe4#
      • 1...Kxf3
        • 2.Qg3#
      • 1...exf3
        • 2.Bd2#
      • 1...e3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • P(b);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • P(b);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • P(b);
    • Try
      • B(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
  • Actual
    • P(B);
    • Vars
      • K(c);S_FLIGHT::QAR1(C),XP(b)
      • K(c);P-FLIGHT,XP(B)::QAR1(C)
      • P(b);N_GUARD,SBLOCK,XP(B)::B(A)
      • P(b);SBLOCK::QAR1(C)
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