MESON Chess Problem Database

Problem Display
PID: 109076 (8/1R6/2P5/3k1NKB/3P4/3p4/3P2P1/8 w - - 0 1)

Notaro, Rosario

Northwest Chess, 1976

8/1R6/2P5/3k1NKB/3P4/3p4/3P2P1/8

#2

8 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Bf7#
    • 1...Ke4
      • 2.Bf3#
    • 1...Kxc6
      • 2.Bf3#
    • 1...Ke6
      • 2.Bf7#
  • Tries
    • 1.Kf4?
      • 1...Kc4
        • 2.Bf7#
      • 1...Kxc6
        • 2.Bf3#
      • 1...Ke6!
    • 1.Kf6?
      • 1...Kc4
        • 2.Bf7#
      • 1...Kxc6
        • 2.Bf3#
      • 1...Ke4!
    • 1.Bf3+?
      • 1...Ke6
        • 2.Re7#
      • 1...Kc4!
    • 1.Bf7+?
      • 1...Ke4
        • 2.Re7#
      • 1...Kxc6!
    • 1.Be8?
      • 1...Kc4
        • 2.Bf7#
      • 1...Ke6
        • 2.Bf7#
      • 1...Ke4!
    • 1.Rb6?
      • 1...Kc4
        • 2.Bf7#
      • 1...Ke4
        • 2.Bf3#
      • 1...Ke6!
    • 1.Rc7?
      • 1...Ke4
        • 2.Bf3#
      • 1...Ke6
        • 2.Bf7#
      • 1...Kc4!
    • 1.g3?
      • 1...Kc4
        • 2.Bf7#
      • 1...Kxc6
        • 2.Bf3#
      • 1...Ke6
        • 2.Bf7#
      • 1...Ke4!
  • Keys
    • 1.Bd1!
      • 1...Kc4
        • 2.Bb3#
      • 1...Ke4
        • 2.Bf3#
      • 1...Kxc6
        • 2.Bf3#
      • 1...Ke6
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(F)
    • K(b);S_FLIGHT,XP(G)::B(F)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT,XP(G)::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT,XP(G)::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::R(H)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT,XP(G)::B(F)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(b);S_FLIGHT::B(F)
      • K(b);S_FLIGHT,XP(G)::B(F)
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