MESON Chess Problem Database

Problem Display
PID: 224209 (1B1n1rb1/1p1Qbp2/5p2/3P4/N2k4/8/2pN1K2/8 w - - 0 1)

Chocolous, Jiri

Bahn Frei, 1888

1B1n1rb1/1p1Qbp2/5p2/3P4/N2k4/8/2pN1K2/8

#2

6 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Kxd5
        • 2.Qc4#
        • 2.Qe4#
      • 1...Kd3!
  • Keys
    • 1.d6!
      • threat
        • 2.dxe7#
      • 1...Kd3
        • 2.dxe7#
      • 1...Kd5
        • 2.dxe7#
      • 1...Ke5
        • 2.dxe7#
      • 1...Bxd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • P(D);
    • Threat
      • QAR(E)+P(D),XB(e)
    • Vars
      • K(b);P-FLIGHT::QAR(E)+P(D),XB(e)
      • K(b);S_FLIGHT::B(F)+P(D),XB(e)
      • B(e);OGATE,P_SPINB(e),XP(D)::QAR2(E),XB(e)
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