MESON Chess Problem Database

Problem Display
PID: 46177 (bnN5/5pp1/1p6/3k2P1/B4K2/P4N2/p2P1B2/7Q w - - 0 1)

Slesarenko, Anatoly Vasilevich

The Problemist, 2002

bnN5/5pp1/1p6/3k2P1/B4K2/P4N2/p2P1B2/7Q

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Se5#
    • 1...Ke6
      • 2.Sd4#
    • 1...Bc6
      • 2.Bb3#
    • 1...Sc6
      • 2.Bb3#
  • Tries
    • 1.Se1+?
      • 1...Kc4
        • 2.Sxb6#
        • 2.Sd6#
      • 1...Ke6!
    • 1.Qa1?
      • threat
        • 2.Qxa2#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke6
        • 2.Qe5#
      • 1...b5!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qe4#
      • 1...Kc4
        • 2.Sxb6#
      • 1...Ke6
        • 2.Qf5#
      • 1...f5
        • 2.Qg8#
      • 1...g6
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(b);S_FLIGHT::S(E)
    • B(f);SBLOCK::B(F)
    • S(g);SBLOCK::B(F)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB(A),XP(a)
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::S(I),XP(c)
      • K(b);S_FLIGHT::QAB1(A)
      • P(d);OGATEB::QAB(A)
      • P(e);OGATE::QAB(A),XP(d)
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