MESON Chess Problem Database

Problem Display
PID: 224636 (7k/8/6K1/4q3/8/7p/B6P/2B1R3 w - - 0 1)

Cumming, George AW

Charleston Sunday News, 1887

7k/8/6K1/4q3/8/7p/B6P/2B1R3

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Re8#
    • 1...Qb2
      • 2.Bxb2#
      • 2.Re8#
    • 1...Qxh2
      • 2.Re8#
    • 1...Qc3
      • 2.Re8#
    • 1...Qd4
      • 2.Re8#
    • 1...Qc7
      • 2.Re8#
    • 1...Qa5
      • 2.Re8#
    • 1...Qe8+
      • 2.Rxe8#
  • Keys
    • 1.Bb2!
      • threat
        • 2.Bxe5#
      • 1...Qf6+
        • 2.Bxf6#
      • 1...Qg7+
        • 2.Bxg7#
      • 1...Qxb2
        • 2.Re8#
      • 1...Qc3
        • 2.Bxc3#
        • 2.Re8#
      • 1...Qd4
        • 2.Bxd4#
        • 2.Re8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • Q(b);OGATE::R(B)
    • Q(b);OGATE,XP(D)::R(B)
    • Q(b);CHECK,OGATE::R(B),XQ(b)
  • Actual
    • B(A);P_PINQ(b)
    • Threat
      • B(A),XQ(b)
    • Vars
      • Q(b);CHECK,OGATE::B(A),XQ(b)
      • Q(b);N_SPINQ(b),OGATE,XB(A)::R(B)
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