MESON Chess Problem Database

Problem Display
PID: 180865 (8/8/KNk2p2/1Np1b3/2p1p3/8/Q2P2bB/8 w - - 0 1)

Metairie, R

Bulletin Ouvrier des Echecs, 1952

8/8/KNk2p2/1Np1b3/2p1p3/8/Q2P2bB/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Sa7#
    • 1...Bb2
      • 2.Sa7#
    • 1...Bc3
      • 2.Sa7#
    • 1...Bd4
      • 2.Sa7#
    • 1...Bc7
      • 2.Sa7#
    • 1...c3
      • 2.Qd5#
  • Keys
    • 1.d4!
      • threat
        • 2.d5#
      • 1...Bxd4
        • 2.Sa7#
      • 1...cxd4
        • 2.Qxc4#
      • 1...cxd4 ep
        • 2.Qd5#
      • 1...exd4 ep
        • 2.Qxg2#
      • 1...e3
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • B(e);::S(D)
    • P(b);OGATE::QAB1(A)
  • Actual
    • P(B);
    • Threat
      • P(B)
    • Vars
      • B(e);XP(B)::S(D)
      • P(d);OGATEB,XP(B)::QAR2(A),XP(b)
      • P(b);EP,OGATE,XP(B)::QAB1(A)
      • P(c);EP,OGATEB,XP(B)::QAB(A),XB(a)
      • P(c);OGATEB::QAB(A),XB(a)
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