MESON Chess Problem Database

Problem Display
PID: 101244 (7K/8/p7/8/8/rp2N1p1/6Qb/1k1BR2q w - - 0 1)

Sparke, Arthur M

Good Companions, 1921

7K/8/p7/8/8/rp2N1p1/6Qb/1k1BR2q

#2

5 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1+
      • 2.Bh5#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qb2#
      • 1...Bg1+
        • 2.Bh5#
      • 1...Ka1
        • 2.Qb2#
      • 1...Kc1
        • 2.Qb2#
      • 1...Qxg2
        • 2.Bxb3#
      • 1...b2
        • 2.Qxb2#
      • 1...Ra2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(c);CHECK,S_CUTQ(b)::R(B)+B(A)
  • Actual
    • S(D);
    • Threat
      • QAR1(C)
    • Vars
      • B(c);CHECK,S_CUTQ(b)::R(B)+B(A)
      • K(a);P-FLIGHT::QAB1(C)
      • Q(b);N_GUARD,XQ(C)::R(B)+B(A),XP(e)
      • P(e);::QAR1(C),XP(e)
      • R(d);SBLOCK::R(B)+B(A),DCHECK
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