MESON Chess Problem Database

Problem Display
PID: 161763 (8/8/8/8/8/6Nn/2K2nRB/4k3 w - - 0 1)

Antipov, Viacheslav Pavlovich

Kudesnik, 1997

8/8/8/8/8/6Nn/2K2nRB/4k3

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Re2#
    • 1...Sh1
      • 2.Re2#
    • 1...Sd3
      • 2.Re2#
    • 1...Se4
      • 2.Re2#
    • 1...Sg4
      • 2.Re2#
    • 1...Sg1
      • 2.Rxg1#
    • 1...Sf4
      • 2.Rg1#
    • 1...Sg5
      • 2.Rg1#
  • Tries
    • 1.Kc1?
      • 1...Sd1
        • 2.Re2#
      • 1...Sh1
        • 2.Re2#
      • 1...Se4
        • 2.Re2#
      • 1...Sg4
        • 2.Re2#
      • 1...Sg1
        • 2.Rxg1#
      • 1...Sf4
        • 2.Rg1#
      • 1...Sg5
        • 2.Rg1#
      • 1...Sd3+!
  • Keys
    • 1.Bg1!
      • 1...Sxg1
        • 2.Rxg1#
      • 1...Sd1
        • 2.Re2#
      • 1...Sh1
        • 2.Re2#
      • 1...Sd3
        • 2.Re2#
      • 1...Se4
        • 2.Re2#
      • 1...Sg4
        • 2.Re2#
      • 1...Sf4
        • 2.Bxf2#
      • 1...Sg5
        • 2.Bxf2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::R1(B)
    • S(c);N_GUARD::R(B),XS(c)
    • S(c);N_GUARD::R(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(b);OGATE::R1(B)
        • S(c);N_GUARD::R(B),XS(c)
        • S(c);N_GUARD::R(B)
      • Refutation
        • S(b);CHECK
  • Actual
    • B(C);
    • Vars
      • S(c);OGATE,XB(C)::R(B),XS(c)
      • S(b);OGATE::R1(B)
      • S(c);N_GUARD::B(C),XS(b)
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