MESON Chess Problem Database

Problem Display
PID: 228923 (8/5p1K/2pP4/4k3/2P3Pp/Q3B1P1/2P3P1/3rRr2 w - - 0 1)

Eighch, Eustace

Schackvarlden, 1926

8/5p1K/2pP4/4k3/2P3Pp/Q3B1P1/2P3P1/3rRr2

#2

10 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qe7#
      • 1...Ke4
        • 2.Qe7#
      • 1...Kxd6
        • 2.Bc5#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#
      • 1...Rxd6
        • 2.Bd4#
      • 1...Rf6
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);
    • Threat
      • QAR2(D)
    • Vars
      • K(d);P-FLIGHT::QAR(D)
      • K(d);S_FLIGHT,XP(I)::B(E)
      • K(d);P-FLIGHT::QAR1(D)
      • K(d);S_FLIGHT::QAB1(D)
      • R(a);SBLOCK,XP(I)::R(A)+B(E),DCHECK
      • R(b);SBLOCK::R(A)+B(E),DCHECK
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