MESON Chess Problem Database

Problem Display
PID: 182364 (8/2p5/Q7/2k5/2B5/2P5/2P5/2K5 w - - 0 1)

von Sponer, Gyorgy Janos Andor

Pesti Naplo, 1906

8/2p5/Q7/2k5/2B5/2P5/2P5/2K5

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5?
      • threat
        • 2.Qc6#
      • 1...c6
        • 2.Qxc6#
      • 1...Kd5!
    • 1.Bd5?
      • threat
        • 2.Qc6#
      • 1...c6
        • 2.Qxc6#
      • 1...Kxd5!
    • 1.Qb7?
      • threat
        • 2.Qxc7#
      • 1...Kxc4
        • 2.Qc6#
      • 1...c6
        • 2.Qb4#
      • 1...Kd6!
    • 1.Qg6?
      • 1...Kxc4
        • 2.Qc6#
      • 1...c6!
    • 1.Qh6?
      • 1...Kxc4
        • 2.Qc6#
      • 1...c6!
  • Keys
    • 1.Qf6!
      • 1...Kxc4
        • 2.Qc6#
      • 1...c6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(E)
      • Vars
        • P(b);::QAR1(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Threat
        • QAR1(E)
      • Vars
        • P(b);::QAR1(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
    • Try
      • Q(E);
      • Threat
        • QAR2(E),XP(b)
      • Vars
        • K(a);P-FLIGHT,XB(D)::QAR2(E)
        • P(b);SBLOCK::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT,XB(D)::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT,XB(D)::QAR2(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);
    • Vars
      • K(a);P-FLIGHT,XB(D)::QAR2(E)
      • P(b);SBLOCK::QAB1(E)
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