MESON Chess Problem Database

Problem Display
PID: 44726 (n1r5/8/R1Npp3/2kN1n2/P7/KP1Rp3/8/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

4th Prize, Solidarity Ty., 1990

n1r5/8/R1Npp3/2kN1n2/P7/KP1Rp3/8/8

#2

7 + 7

4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6
      • 2.Ra5#
    • 1...exd5
      • 2.Rc3#
  • Tries
    • 1.Sdb4?
      • threat
        • 2.Rc3#
      • 1...Rxc6
        • 2.Rxc6#
      • 1...Sb6
        • 2.Ra5#
      • 1...d5!
    • 1.Sa5?
      • threat
        • 2.Sb7#
        • 2.b4#
      • 1...Rc7
        • 2.b4#
      • 1...Rb8
        • 2.Rc6#
      • 1...Sb6
        • 2.b4#
      • 1...Sd4!
    • 1.Sce7?
      • threat
        • 2.Ra5#
      • 1...exd5
        • 2.Rxd5#
      • 1...Rb8
        • 2.Rc6#
      • 1...Sd4
        • 2.Rc3#
      • 1...Sc7
        • 2.Rc6#
      • 1...Sxe7!
  • Keys
    • 1.Scb4!
      • threat
        • 2.Ra5#
      • 1...exd5
        • 2.Rxd5#
      • 1...Rb8
        • 2.Rc6#
      • 1...Sd4
        • 2.Rc3#
      • 1...Sc7
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(g);SBLOCK,XS(G)::R(F)
    • P(e);SBLOCK,XS(E)::R(C)
  • Tries
    • Try
      • S(E);
      • Threat
        • R(C)
      • Vars
        • R(g);OGATE,XS(G)::R1(F),XR(g)
        • S(f);SBLOCK::R(F)
      • Refutation
        • P(d);
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(g);::P(B)
        • R(g);N_GUARD::R1(F)
        • S(f);::P(B)
      • Refutation
        • S(c);
    • Try
      • S(G);
      • Threat
        • R(F)
      • Vars
        • P(e);OGATE,XS(E)::R1(C),XP(e)
        • R(g);N_GUARD::R1(F)
        • S(c);SBLOCK::R(C)
        • S(f);S_CUTR(g)::R1(F)
      • Refutation
        • S(c);XS(G)
  • Actual
    • S(G);
    • Threat
      • R(F)
    • Vars
      • P(e);OGATE,XS(E)::R1(C),XP(e)
      • R(g);N_GUARD::R1(F)
      • S(c);SBLOCK::R(C)
      • S(f);S_CUTR(g)::R1(F)
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