MESON Chess Problem Database

Problem Display
PID: 81650 (2R5/p7/1Pp5/1k6/3Q4/1K6/8/8 w - - 0 1)

Lincoln, Robert A

The Problemist Supplement, 2008

2R5/p7/1Pp5/1k6/3Q4/1K6/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...a6
      • 2.Qb4#
  • Keys
    • 1.Rb8!
      • 1...Ka5
        • 2.Qa4#
      • 1...Ka6
        • 2.Qa4#
      • 1...axb6
        • 2.Qxb6#
      • 1...c5
        • 2.Qa4#
      • 1...a5
        • 2.Qc4#
      • 1...a6
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR1(B)
  • Actual
    • R(D);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAR2(B)
      • P(c);OGATE,P_SPINP(c),XP(C)::QAR1(B),XP(c)
      • P(b);SBLOCK::QAB1(B)
      • P(c);SBLOCK::QAB1(B)
      • P(c);SBLOCK::QAR1(B)
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