MESON Chess Problem Database

Problem Display
PID: 15687 (8/8/8/8/8/5N2/pP2Q3/q1k2K2 w - - 0 1)

Groeneveld, Cornelis

2nd Place, Buletin Problemistic, 1987

8/8/8/8/8/5N2/pP2Q3/q1k2K2

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qd2#
  • Tries
    • 1.Ke1?
      • 1...Qxb2
        • 2.Qd1#
      • 1...Qb1
        • 2.Qd2#
      • 1...Kb1!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qc2#
      • 1...Kb1
        • 2.Qc2#
      • 1...Qxb2
        • 2.Qe1#
      • 1...Qb1
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(a);SBLOCK::QAB1(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • Q(a);SBLOCK,XP(B)::QAR1(C)
        • Q(a);SBLOCK::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);P-FLIGHT::QAB1(C)
      • Q(a);SBLOCK,XP(B)::QAR2(C)
      • Q(a);SBLOCK::S(D)
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