MESON Chess Problem Database

Problem Display
PID: 192625 (8/1p6/nn6/3P4/PNP5/1k6/RP1RB3/K3B3 w - - 0 1)

Svitek, Miroslav

Prize, Kopnin MT, 2009

8/1p6/nn6/3P4/PNP5/1k6/RP1RB3/K3B3

#2

10 + 4

3485 Sachova skladba 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb4
      • 2.Ra3#
    • 1...Sxc4
      • 2.Rd3#
  • Tries
    • 1.Sxa6?
      • threat
        • 2.Ra3#
      • 1...Sxc4
        • 2.Bd1#
      • 1...bxa6!
    • 1.Sc6?
      • threat
        • 2.Ra3#
      • 1...Sxc4
        • 2.Bd1#
      • 1...bxc6!
    • 1.Rd1?
      • threat
        • 2.Ra3#
      • 1...Sxc4
        • 2.Rd3#
      • 1...Sxb4!
    • 1.Rd4?
      • threat
        • 2.Bd1#
        • 2.Ra3#
      • 1...Sxc4
        • 2.Bd1#
        • 2.Bxc4#
        • 2.Rd3#
      • 1...Sxb4!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Ra3#
      • 1...Sxb4
        • 2.Rc3#
      • 1...Sxc4
        • 2.Bxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK,XS(H)::R1(C)
    • S(c);SBLOCK,XP(I)::R(E)
  • Tries
    • Try
      • S(H);XS(b)
      • Threat
        • R1(C)
      • Vars
        • S(c);SBLOCK,XP(I)::B(F)
      • Refutation
        • P(d);XS(H)
    • Try
      • S(H);
      • Threat
        • R1(C)
      • Vars
        • S(c);SBLOCK,XP(I)::B(F)
      • Refutation
        • P(d);XS(H)
    • Try
      • R(E);
      • Threat
        • R1(C)
      • Vars
        • S(c);SBLOCK,XP(I)::R(E)
      • Refutation
        • S(b);XS(H)
    • Try
      • R(E);
      • Threat
        • DUALS(2)
      • Refutation
        • S(b);XS(H)
  • Actual
    • R(E);
    • Threat
      • R1(C)
    • Vars
      • S(b);SBLOCK,XS(H)::R1(E)
      • S(c);OGATE,XP(I)::B(F),XS(c)
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