MESON Chess Problem Database

Problem Display
PID: 101428 (4K3/B7/8/4Q3/7p/1N4n1/4P2r/1B1kN3 w - - 0 1)

Sparke, Arthur M

Good Companions, 1918

4K3/B7/8/4Q3/7p/1N4n1/4P2r/1B1kN3

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.Bd3#
      • 1...Rxe2+
        • 2.Be4#
      • 1...Kxe1
        • 2.Bd3#
      • 1...Kxe2
        • 2.Bd3#
      • 1...Sxe2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+B(A)
    • Vars
      • R(b);CHECK,SBLOCK,XP(C)::QAR(E)+B(A)
      • K(a);P-FLIGHT,XS(B)::QAR(E)+B(A)
      • K(a);S_FLIGHT,XP(C)::B(A)
      • S(c);SBLOCK,XP(C)::QAR(E)+B(A),DCHECK
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Developed and maintained by Brian Stephenson.
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