MESON Chess Problem Database

Problem Display
PID: 23923 (bR1n4/1n6/8/RPP2Q2/1kN5/1P1pN3/1K6/8 w - - 0 1)

Shanshin, Valery Yurevich

Slesarenko, Anatoly Vasilevich

1st Prize, Moscow Championship, 1996

bR1n4/1n6/8/RPP2Q2/1kN5/1P1pN3/1K6/8

#2

9 + 5

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Ra4#
    • 1...d2
      • 2.Sc2#
  • Tries
    • 1.Qf8?
      • threat
        • 2.Sd5#
      • 1...Sxa5
        • 2.c6#
      • 1...Sxc5
        • 2.Ra4#
      • 1...Sd6!
  • Keys
    • 1.c6!
      • threat
        • 2.Ra4#
      • 1...Sxa5
        • 2.Qf8#
      • 1...Sc5
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(c);::R1(E)
    • P(a);N_GUARD::S(C)
  • Tries
    • Try
      • Q(H);
      • Threat
        • S(C)
      • Vars
        • S(c);N_GUARD,XR(E)::QAB(H)+P(G)
        • S(c);P_SPINS(c),XP(G)::R1(E)
      • Refutation
        • S(c);
  • Actual
    • P(G);
    • Threat
      • R1(E)
    • Vars
      • S(c);N_GUARD,XR(E)::QAB(H)
      • S(c);SBLOCK::S(C)
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