MESON Chess Problem Database

Problem Display
PID: 237389 (1n6/2ppK3/1pkN4/1p6/1Pp5/2Q1N1P1/7b/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Pravda, 2018

1n6/2ppK3/1pkN4/1p6/1Pp5/2Q1N1P1/7b/8

#2

6 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sexc4?
      • threat
        • 2.Se3#
        • 2.Qf3#
      • 1...Kd5
        • 2.Se3#
      • 1...bxc4
        • 2.Qf3#
        • 2.Qxc4#
      • 1...Sa6
        • 2.Qf3#
      • 1...cxd6!
    • 1.Qa1?
      • threat
        • 2.Qh1#
        • 2.Qa8#
      • 1...Bg1
        • 2.Qa8#
      • 1...Sa6
        • 2.Qh1#
      • 1...cxd6!
  • Keys
    • 1.Qh8!
      • 1...Bxg3
        • 2.Qh1#
      • 1...cxd6
        • 2.Qc8#
      • 1...Bg1
        • 2.Qh1#
      • 1...Sa6
        • 2.Qa8#
      • 1...c3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT::S(B)
        • S(h);::QAB(A)
      • Refutation
        • P(f);XS(E)
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB(A)
        • S(h);::QAB(A)
      • Refutation
        • P(f);XS(E)
  • Actual
    • Q(A);N_PINP(b)
    • Vars
      • B(a);OGATE,XP(C)::QAB(A)
      • P(f);OGATEB,XS(E)::QAR2(A)
      • B(a);OGATE::QAB(A)
      • S(h);OGATE::QAB(A)
      • P(b);OGATEB::QAR(A),XP(b)
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