MESON Chess Problem Database

Problem Display
PID: 103335 (R2N4/2kP4/4PP2/8/2K5/4p3/4p3/4B3 w - - 0 1)

Mai, Luigi

La Scacchiera, 1953

R2N4/2kP4/4PP2/8/2K5/4p3/4p3/4B3

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb6
      • 2.Ba5#
    • 1...Kd6
      • 2.Bg3#
  • Tries
    • 1.Kd4?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb6!
    • 1.Ra1?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb8
        • 2.Bg3#
      • 1...Kxd8
        • 2.Ba5#
      • 1...Kb6!
    • 1.Ra2?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb8
        • 2.Bg3#
      • 1...Kxd8
        • 2.Ba5#
      • 1...Kb6!
    • 1.Ra3?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb8
        • 2.Bg3#
      • 1...Kxd8
        • 2.Ba5#
      • 1...Kb6!
    • 1.Ra4?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb8
        • 2.Bg3#
      • 1...Kxd8
        • 2.Ba5#
      • 1...Kb6!
    • 1.Ra7+?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb8
        • 2.Sc6#
      • 1...Kxd8
        • 2.Ba5#
        • 2.e7#
      • 1...Kb6!
    • 1.Rb8?
      • threat
        • 2.Bg3#
      • 1...Kd6
        • 2.Bg3#
      • 1...Kxb8!
    • 1.Rc8+?
      • 1...Kd6
        • 2.Bg3#
      • 1...Kb6!
    • 1.f7?
      • 1...Kb6
        • 2.Ba5#
      • 1...Kd6!
  • Keys
    • 1.Ra6!
      • 1...Kb8
        • 2.Bg3#
      • 1...Kxd8
        • 2.Ba5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(c);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT,XS(G)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT,XS(G)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT,XS(G)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT,XS(G)::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(c);S_FLIGHT::B(A)
        • K(c);S_FLIGHT::S(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • B(A)
      • Vars
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT,XR(F)
    • Try
      • R(F);CHECK
      • Vars
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(c);S_FLIGHT::B(A)
      • K(c);S_FLIGHT,XS(G)::B(A)
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