MESON Chess Problem Database

Problem Display
PID: 175444 (8/4K3/8/2p1kp2/2PR2p1/BN6/4PP2/8 w - - 0 1)

van Dijk, Johannes

Tijdschrift vd NSB, 1899

8/4K3/8/2p1kp2/2PR2p1/BN6/4PP2/8

#2

7 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...g3
      • 2.f4#
  • Tries
    • 1.f3?
      • threat
        • 2.f4#
      • 1...cxd4
        • 2.Bd6#
      • 1...f4
        • 2.Rd5#
      • 1...gxf3!
  • Keys
    • 1.Sd2!
      • 1...Kxd4
        • 2.Bb2#
      • 1...cxd4
        • 2.Bd6#
      • 1...f4
        • 2.Rd5#
      • 1...g3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::P(B)
  • Tries
    • Try
      • P(B);
      • Threat
        • P(B)
      • Vars
        • P(b);OGATE,XR(F)::B(C)
        • P(d);SBLOCK::R1(F)
      • Refutation
        • P(a);XP(B)
  • Actual
    • S(D);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(F)::B(C)
      • P(b);OGATE,SBLOCK,XR(F)::B(C)
      • P(d);SBLOCK::R1(F)
      • P(a);N_GUARD::S(D)
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