MESON Chess Problem Database

Problem Display
PID: 187689 (3R4/2Q1p3/4B1p1/2NP4/2pk1p2/8/b2B4/3R3K w - - 0 1)

van Dijk, Johannes

De Schaakcourant, 1909

3R4/2Q1p3/4B1p1/2NP4/2pk1p2/8/b2B4/3R3K

#2

8 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bf5?
      • threat
        • 2.Se6#
      • 1...e6
        • 2.Sxe6#
        • 2.dxe6#
      • 1...gxf5!
    • 1.Qe5+?
      • 1...Kxe5
        • 2.Bc3#
      • 1...Kxc5!
  • Keys
    • 1.d6!
      • threat
        • 2.dxe7#
      • 1...Ke5
        • 2.Bc3#
      • 1...exd6
        • 2.Qxd6#
      • 1...c3
        • 2.Bxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • S(D)
      • Refutation
        • P(e);XB(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT,XQ(G)::B(C)
      • Refutation
        • K(c);S_FLIGHT,XS(D)
  • Actual
    • P(E);
    • Threat
      • R(H)+P(E),XP(f)
    • Vars
      • K(c);S_FLIGHT::B(C)
      • P(f);OGATE,P_SPINP(f),XP(E)::QAR2(G),XP(f)
      • P(b);SBLOCK::R(A)+B(C),XP(d)
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