MESON Chess Problem Database

Problem Display
PID: 262776 (8/8/R7/4N2P/7k/5K1N/2R5/8 w - - 0 1)

Mitroshin, Anatoly Anatolyovich

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

4th Comm., Szachy, 1980

8/8/R7/4N2P/7k/5K1N/2R5/8

#2

6 + 1

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sf7?
      • 1...Kxh5
        • 2.Rh6#
      • 1...Kxh3!
    • 1.Rc1?
      • 1...Kxh3
        • 2.Rh1#
      • 1...Kxh5!
    • 1.Rcc6?
      • 1...Kxh5
        • 2.Rh6#
      • 1...Kxh3!
    • 1.Rc7?
      • 1...Kxh5
        • 2.Rh7#
      • 1...Kxh3!
    • 1.Rc8?
      • 1...Kxh5
        • 2.Rh8#
      • 1...Kxh3!
    • 1.Ra1?
      • 1...Kxh3
        • 2.Rh1#
      • 1...Kxh5!
    • 1.Raa2?
      • 1...Kxh3
        • 2.Rh2#
      • 1...Kxh5!
    • 1.Ra7?
      • 1...Kxh5
        • 2.Rh7#
      • 1...Kxh3!
    • 1.Ra8?
      • 1...Kxh5
        • 2.Rh8#
      • 1...Kxh3!
  • Keys
    • 1.Sg4!
      • 1...Kxh3
        • 2.Rh2#
      • 1...Kxh5
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::R1(F)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • R(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(C)::R(A)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • R(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::R1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • R(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::R(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • R(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::R(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • R(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(C)::R(F)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • R(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(C)::R1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • R(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::R(F)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • R(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::R(F)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(D);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(C)::R1(A)
      • K(a);OGATEB,P-FLIGHT,XP(E)::R1(F)
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