MESON Chess Problem Database

Problem Display
PID: 21057 (1b1Q4/1B1p4/2P1PN2/8/7p/8/8/5K1k w - - 0 1)

Weenink, Henri Gerard Maria

De Amsterdammer, 1916

1b1Q4/1B1p4/2P1PN2/8/7p/8/8/5K1k

#2

6 + 4

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.cxd7#
  • Tries
    • 1.Qg8?
      • threat
        • 2.Qg1#
        • 2.Qg2#
      • 1...Kh2
        • 2.Qg2#
      • 1...Bh2
        • 2.Qg2#
        • 2.cxd7#
      • 1...Ba7
        • 2.Qg2#
      • 1...h3
        • 2.Qg1#
      • 1...Bg3!
  • Keys
    • 1.Sg4!
      • threat
        • 2.cxd7#
      • 1...dxc6
        • 2.Bxc6#
      • 1...dxe6
        • 2.c7#
      • 1...d5
        • 2.Qxd5#
      • 1...d6
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(d);SBLOCK::B(E)+P(B),XP(c)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
        • B(d);::QAB1(F)
        • P(b);::QAR1(F)
      • Refutation
        • B(d);
  • Actual
    • S(D);
    • Threat
      • B(E)+P(B),XP(c)
    • Vars
      • P(c);OGATE,P_SPINP(c),XP(B)::B(E),XP(c)
      • P(c);N_GUARD,XP(C)::B(E)+P(B)
      • P(c);OGATE::QAB(F),XP(c)
      • P(c);S_CUTB(d)::QAR(F),XP(b)
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