MESON Chess Problem Database

Problem Display
PID: 189715 (8/n1R5/8/3kPK2/2p5/4P3/2PP4/b7 w - - 0 1)

de Jong, Leonard Nicholaas

Source?, 1912

8/n1R5/8/3kPK2/2p5/4P3/2PP4/b7

#2

6 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.e4#
  • Keys
    • 1.d4!
      • threat
        • 2.Rc5#
      • 1...Bxd4
        • 2.e4#
      • 1...cxd4 ep
        • 2.c4#
      • 1...Sc6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::P(C)
  • Actual
    • P(B);
    • Threat
      • R1(F)
    • Vars
      • B(a);SBLOCK,XP(B)::P(C)
      • P(b);EP,OGATE,XP(B)::P(A)
      • S(d);SBLOCK::R(F)
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