MESON Chess Problem Database

Problem Display
PID: 158109 (6b1/n4r2/R1N5/2k5/1pBR4/1p4r1/1K2N1n1/6Bq w - - 0 1)

Antonov, Yuri Mikhailovich

64 Shakhmatnoe obozrenie, 1977

6b1/n4r2/R1N5/2k5/1pBR4/1p4r1/1K2N1n1/6Bq

#2

7 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sa5?
      • threat
        • 2.Rd5#
      • 1...Rf2
        • 2.Sb7#
      • 1...Se3
        • 2.Sxb3#
      • 1...Qh8!
  • Keys
    • 1.Se5!
      • threat
        • 2.Rd5#
      • 1...Rf2
        • 2.Sd7#
      • 1...Se3
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • B(A)+R(E),DCHECK
      • Vars
        • R(h);N_GUARD,P_PINS(C)::S(G)
        • S(b);S_CUTR(d)::S(G),XP(c)
      • Refutation
        • Q(a);P_PINR(E)
  • Actual
    • S(G);
    • Threat
      • B(A)+R(E),DCHECK
    • Vars
      • R(h);N_GUARD,P_PINS(C)::S(G)
      • S(b);S_CUTR(d)::S(G)
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