MESON Chess Problem Database

Problem Display
PID: 189688 (5KBk/P7/8/8/8/3p4/3p4/1b6 w - - 0 1)

Marble, Murray

The Theory of Pawn Promotion, 1912

5KBk/P7/8/8/8/3p4/3p4/1b6

#2

3 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.a8Q!
      • threat
        • 2.Qh1#
        • 2.Qa1#
      • 1...d1Q
        • 2.Qa1#
      • 1...d1S
        • 2.Qh1#
      • 1...d1B
        • 2.Qa1#
      • 1...d1R
        • 2.Qa1#
      • 1...Ba2
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::QAB(A)
      • B(a);::QAB(A)
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