MESON Chess Problem Database

Problem Display
PID: 150539 (5N2/p1p3p1/Rb3kB1/3pr1p1/6p1/Q3Nb2/8/B3K2R w K - 0 1)

van Dijk, Nils Gustav Gerard

3rd Prize, Deutsche Schachblatter, 1962-1963

5N2/p1p3p1/Rb3kB1/3pr1p1/6p1/Q3Nb2/8/B3K2R

#2

8 + 10

114 Springaren 1965

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Sxd5#
    • 1...Be4
      • 2.Sxg4#
    • 1...c6
      • 2.Qd6#
  • Tries
    • 1.Rxb6+?
      • 1...cxb6
        • 2.Qd6#
      • 1...c6
        • 2.Rxc6#
        • 2.Qd6#
      • 1...axb6!
  • Keys
    • 1.0-0!
      • 1...c5
        • 2.Sxd5#
      • 1...g3
        • 2.Rxf3#
      • 1...d4
        • 2.Sxg4#
      • 1...c6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_PINS(E)::S(E),XP(c)
    • B(a);N_PINS(E)::S(E),XP(b)
    • P(i);N_GUARD,N_SPINB(f)::QAR2(D)
  • Tries
    • Try
      • R(F);CHECK,XB(f)
      • Vars
        • P(i);N_GUARD,XR(F)::QAR2(D)
      • Refutation
        • P(h);XR(F)
  • Actual
    • K(B);0-0,N_PINB(f),P_PINB(a)
    • Vars
      • P(i);N_PINS(E)::S(E),XP(c)
      • P(b);N_GUARD::R(C),XB(a)
      • P(c);N_PINS(E),N_SPINR(d)::S(E),XP(b)
      • P(i);N_GUARD::QAR2(D)
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