MESON Chess Problem Database

Problem Display
PID: 23856 (k1NBR3/8/KR2r3/8/8/8/8/8 w - - 0 1)

Markovtsy, Vassyl Yuriovich

2nd HM., Smena, 1997

k1NBR3/8/KR2r3/8/8/8/8/8

#2

5 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Se7?
      • threat
        • 2.Bc7#
      • 1...Rxb6+
        • 2.Bxb6#
      • 1...Rxe7
        • 2.Bxe7#
      • 1...Rd6!
    • 1.Be7?
      • threat
        • 2.Sd6#
        • 2.Sa7#
      • 1...Rxb6+
        • 2.Sxb6#
      • 1...Rxe7
        • 2.Sxe7#
      • 1...Rd6
        • 2.Sxd6#
      • 1...Rc6!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Se7#
      • 1...Rxb6+
        • 2.Sxb6#
      • 1...Rxe8
        • 2.Rb8#
      • 1...Rd6
        • 2.Sxd6#
      • 1...Re7
        • 2.Sxe7#
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • R(E)+B(D)
      • Vars
        • R(a);CHECK,OGATE,XR(B)::R(E)+B(D),XR(a)
        • R(a);N_PINR(B),OGATE,XS(C)::R(E)+B(D),XR(a)
      • Refutation
        • R(a);
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);CHECK,XR(B)::R(E)+S(C),DCHECK,XR(a)
        • R(a);N_PINR(B),XB(D)::R(E)+S(C),XR(a)
        • R(a);::R(E)+S(C),XR(a)
      • Refutation
        • R(a);
  • Actual
    • B(D);
    • Threat
      • R(E)+S(C)
    • Vars
      • R(a);CHECK,XR(B)::R(E)+S(C),DCHECK,XR(a)
      • R(a);N_PINR(B),XR(E)::R1(B)
      • R(a);N_GUARD::R(E)+S(C),XR(a)
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