MESON Chess Problem Database

Problem Display
PID: 108594 (8/8/8/5NR1/4K3/5N2/6n1/4b2k w - - 0 1)

Kardimon, Gennady P

Kudesnik, 1991

8/8/8/5NR1/4K3/5N2/6n1/4b2k

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Sg3#
    • 1...Bc3
      • 2.Sg3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bb4
      • 2.Sg3#
    • 1...Ba5
      • 2.Sg3#
    • 1...Se3
      • 2.Rg1#
    • 1...Sf4
      • 2.Rg1#
    • 1...Sh4
      • 2.Rg1#
  • Tries
    • 1.Rxg2?
      • threat
        • 2.Rg1#
        • 2.Rh2#
      • 1...Bf2
        • 2.Rh2#
      • 1...Bg3
        • 2.Rg1#
      • 1...Kxg2!
    • 1.Rh5+?
      • 1...Bh4
        • 2.Sg3#
      • 1...Sh4!
  • Keys
    • 1.Rg3!
      • threat
        • 2.Rh3#
      • 1...Bxg3
        • 2.Sxg3#
      • 1...Se3
        • 2.Rg1#
      • 1...Sf4
        • 2.Rg1#
      • 1...Sh4
        • 2.Rg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
    • S(c);OGATE::R1(D)
  • Tries
    • Try
      • R(D);XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::R1(D)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
    • Try
      • R(D);CHECK
      • Vars
        • B(a);P_SPINB(a)::S(C)
      • Refutation
        • S(c);P_SPINS(c)
  • Actual
    • R(D);
    • Threat
      • R(D)
    • Vars
      • B(a);XR(D)::S(C),XB(a)
      • S(c);OGATE::R1(D)
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