MESON Chess Problem Database

Problem Display
PID: 2026 (3K4/8/2bk3P/3pp3/2PP4/1B6/8/7Q w - - 0 1)

Atkinson, William

Source?, 0000

3K4/8/2bk3P/3pp3/2PP4/1B6/8/7Q

#2

6 + 4

4774 Canadian Chess Problems 1890
4817 English Mechanic and World of Science 1894

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Qxd5#
    • 1...Bb5
      • 2.Qxd5#
    • 1...Bd7
      • 2.Qxd5#
    • 1...Be8
      • 2.Qxd5#
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qg6#
        • 2.Qxe5#
      • 1...Ke6
        • 2.Qg6#
      • 1...dxc4
        • 2.Qxe5#
      • 1...dxe4
        • 2.c5#
      • 1...exd4
        • 2.Qe7#
      • 1...Ba4
        • 2.Qxd5#
        • 2.Qg6#
      • 1...Bb5
        • 2.Qxd5#
        • 2.Qg6#
      • 1...Bb7
        • 2.Qg6#
      • 1...Bd7
        • 2.Qxd5#
      • 1...Ba8
        • 2.Qg6#
      • 1...Be8
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::QAR1(A),XP(a)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(b)::QAR2(A)
      • P(a);XP(C)::QAB1(A),XP(b)
      • P(a);XQ(A)::P(C)
      • P(b);OGATE,XP(D)::QAB1(A)
      • B(c);::QAR(A)
      • B(c);N_GUARD::QAR1(A),XP(a)
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