MESON Chess Problem Database

Problem Display
PID: 10703 (6R1/8/R7/8/8/n7/p7/k1K5 w - - 0 1)

Yaroslavtsev, Arkady Ivanovich

Molodoi Leninets, 1967

6R1/8/R7/8/8/n7/p7/k1K5

#2

3 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Tries
    • 1.Rg1?
      • 1...Sc2
        • 2.Kxc2#
      • 1...Sc4
        • 2.Kc2#
      • 1...Sb5
        • 2.Kc2#
      • 1...Sb1!
    • 1.Rg2?
      • 1...Sb1
        • 2.Rgxa2#
        • 2.Raxa2#
      • 1...Sc4
        • 2.Rgxa2#
        • 2.Raxa2#
      • 1...Sb5
        • 2.Rgxa2#
        • 2.Raxa2#
      • 1...Sc2!
    • 1.Rb8?
      • 1...Sb1
        • 2.Rxb1#
      • 1...Sc2
        • 2.Rb1#
      • 1...Sc4
        • 2.Rb1#
      • 1...Sb5!
  • Keys
    • 1.Rga8!
      • 1...Sb1
        • 2.Rxa2#
      • 1...Sc2
        • 2.Rxa2#
      • 1...Sc4
        • 2.Rxa2#
      • 1...Sb5
        • 2.Rxa2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • S(c);P_SPINP(b)::R(C)+K(A),XS(c)
        • S(c);P_SPINP(b)::R(C)+K(A)
      • Refutation
        • S(c);P_SPINP(b)
    • Try
      • R(C);
      • Refutation
        • S(c);P_SPINP(b)
    • Try
      • R(C);
      • Vars
        • S(c);N_GUARD,P_SPINP(b)::R1(C),XS(c)
        • S(c);N_GUARD,P_SPINP(b)::R1(C)
      • Refutation
        • S(c);P_SPINP(b)
  • Actual
    • R(C);
    • Vars
      • S(c);OGATE,P_SPINP(b)::R1(B),XP(b)
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