MESON Chess Problem Database

Problem Display
PID: 92157 (8/3N1pQp/5Bb1/3K1kn1/2p3p1/3n3p/4Nb2/1B3R2 w - - 0 1)

Wielgos, Oskar

Schweizerische Schachzeitung, 1986

8/3N1pQp/5Bb1/3K1kn1/2p3p1/3n3p/4Nb2/1B3R2

#2

7 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Qxg5#
  • Tries
    • 1.Bxd3+?
      • 1...Se4
        • 2.Bxe4#
        • 2.Rxf2#
      • 1...cxd3!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qxg5#
      • 1...Sf3
        • 2.Qf4#
      • 1...Se4
        • 2.Sd4#
      • 1...Se6
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(h);OGATE::QAR1(G),XS(g)
  • Tries
    • Try
      • B(A);CHECK,XS(b)
      • Refutation
        • P(d);XB(A)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G),XS(g)
    • Vars
      • S(g);N_SPINB(a),OGATE::QAR1(G)
      • S(g);N_SPINS(b)::S(C)
      • S(g);::S(C)
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