MESON Chess Problem Database

Problem Display
PID: 196771 (K7/5p2/1QP2B2/1PN1P1n1/3k3p/R3N1bn/5p2/1b6 w - - 0 1)

van Dijk, Johannes

De Maasbode, 1919

K7/5p2/1QP2B2/1PN1P1n1/3k3p/R3N1bn/5p2/1b6

#2

9 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Rd3#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Be4
      • 2.Sd3#
      • 2.Sa4#
      • 2.Sa6#
      • 2.Se6#
      • 2.Sb7#
      • 2.Sd7#
    • 1...Sf4
      • 2.e6#
    • 1...Se4
      • 2.Se6#
  • Keys
    • 1.c7!
      • threat
        • 2.Qd6#
      • 1...Be4+
        • 2.Sb7#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Ba2
        • 2.Rd3#
      • 1...Sf4
        • 2.e6#
      • 1...Se4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R1(A)
    • B(a);N_GUARD::R1(A),XB(a)
    • S(d);S_CUTB(c)::B(H)+P(E)
    • S(g);SBLOCK::QAB(F)+S(D),DCHECK
  • Actual
    • P(G);
    • Threat
      • QAR2(F)
    • Vars
      • B(a);CHECK,SBLOCK::QAB(F)+S(D)
      • B(a);N_GUARD::R1(A),XB(a)
      • B(a);N_GUARD::R1(A)
      • S(d);S_CUTB(c)::B(H)+P(E)
      • S(g);SBLOCK::QAB(F)+S(D),DCHECK
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