MESON Chess Problem Database

Problem Display
PID: 149220 (3B4/8/3N1P2/P2PP3/3kB3/P5P1/R2N4/5K2 w - - 0 1)

Placanico, Pietro L

Best Problems, 2010

3B4/8/3N1P2/P2PP3/3kB3/P5P1/R2N4/5K2

#2

12 + 1

15148 Sadier Collection 2013
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sb5#
    • 1...Ke3
      • 2.Sf5#
      • 2.Bb6#
    • 1...Kc5
      • 2.Sb3#
      • 2.Bb6#
  • Tries
    • 1.Ke1?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
        • 2.Bb6#
      • 1...Kc5
        • 2.Sb3#
        • 2.Bb6#
      • 1...Kxe5!
    • 1.Ke2?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5
        • 2.Sb3#
        • 2.Bb6#
      • 1...Kxe5!
    • 1.Kf2?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5
        • 2.Sb3#
        • 2.Bb6#
      • 1...Kxe5!
    • 1.Sb1?
      • 1...Ke3
        • 2.Bb6#
      • 1...Kc5
        • 2.Bb6#
      • 1...Kxe5!
    • 1.Sf3+?
      • 1...Ke3
        • 2.Bb6#
        • 2.Re2#
      • 1...Kc5
        • 2.Bb6#
        • 2.Rc2#
      • 1...Kc3!
    • 1.S2c4?
      • 1...Kc5
        • 2.Bb6#
      • 1...Kc3!
    • 1.Bb6+?
      • 1...Kc3
        • 2.Sb5#
        • 2.Rc2#
      • 1...Kxe5!
    • 1.Bc7?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
        • 2.Bb6#
      • 1...Kc5
        • 2.Sb3#
        • 2.Bb6#
      • 1...Kxe5!
    • 1.Rc2?
      • 1...Ke3
        • 2.Sf5#
        • 2.Bb6#
      • 1...Kxe5!
    • 1.a6?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
        • 2.Bb6#
      • 1...Kc5
        • 2.Sb3#
      • 1...Kxe5!
    • 1.f7?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
        • 2.Bb6#
      • 1...Kc5
        • 2.Sb3#
        • 2.Bb6#
      • 1...Kxe5!
  • Keys
    • 1.Be7!
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Kc5
        • 2.Sb3#
      • 1...Kxe5
        • 2.Sf3#

Anticipated by 215709(1882), 215710(1882)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(J)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(J)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(J)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(J)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(L)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(L)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(L);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • B(L);
      • Vars
        • K(a);S_FLIGHT::S(J)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • R(B);
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • P(G);
      • Vars
        • K(a);S_FLIGHT::S(J)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • P(K);
      • Vars
        • K(a);S_FLIGHT::S(J)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
  • Actual
    • B(L);
    • Vars
      • K(a);S_FLIGHT::S(J)
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT,XP(I)::S(C)
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