MESON Chess Problem Database

Problem Display
PID: 243931 (4R3/8/7p/8/R1B2NkB/4PN2/3p4/3K4 w - - 0 1)

Fleck, Ferenc

Magyar Sakkelet, 1972

4R3/8/7p/8/R1B2NkB/4PN2/3p4/3K4

#2

8 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Be2#
    • 1...Kf5
      • 2.Be6#
  • Tries
    • 1.Kxd2?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Be6#
      • 1...h5!
    • 1.Sh2+?
      • 1...Kf5
        • 2.Bd3#
        • 2.Ra5#
      • 1...Kxh4!
    • 1.Se5+?
      • 1...Kf5
        • 2.Bd3#
      • 1...Kxh4!
    • 1.Sh3?
      • 1...Kxf3
        • 2.Bd5#
      • 1...Kxh3
        • 2.Bf1#
      • 1...Kf5
        • 2.Bd3#
      • 1...Kh5
        • 2.Bf7#
      • 1...h5!
    • 1.Bf1?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Bh3#
      • 1...h5!
    • 1.Be2?
      • 1...Kf5
        • 2.Sd4#
      • 1...h5!
    • 1.Bd3?
      • 1...Kxf3
        • 2.Be2#
      • 1...h5!
    • 1.Bb5?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Bd7#
      • 1...h5!
    • 1.Bd5?
      • 1...Kf5
        • 2.Be6#
      • 1...h5!
    • 1.Ba6?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Bc8#
      • 1...h5!
    • 1.Bf7?
      • 1...Kxf3
        • 2.Bh5#
      • 1...Kf5
        • 2.Be6#
      • 1...h5!
    • 1.Rb4?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Be6#
      • 1...h5!
    • 1.Ra5?
      • 1...Kxf3
        • 2.Be2#
      • 1...h5!
    • 1.Re4?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Be6#
      • 1...h5!
    • 1.Re5?
      • 1...Kxf3
        • 2.Be2#
      • 1...h5!
    • 1.Re7?
      • 1...Kxf3
        • 2.Be2#
      • 1...Kf5
        • 2.Be6#
      • 1...h5!
    • 1.Rg8+?
      • 1...Kf5
        • 2.Bd3#
        • 2.Be6#
      • 1...Kxf3!
  • Keys
    • 1.Sh5!
      • 1...Kxf3
        • 2.Bd5#
      • 1...Kh3
        • 2.Bf1#
      • 1...Kf5
        • 2.Bd3#
      • 1...Kxh5
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
    • K(b);S_FLIGHT::B(E)
  • Tries
    • Try
      • K(A);P-FLIGHT,XP(a)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • S(C);CHECK
      • Refutation
        • K(b);P-FLIGHT,XB(G)
    • Try
      • S(C);CHECK
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • K(b);P-FLIGHT,XB(G)
    • Try
      • S(F);
      • Vars
        • K(b);S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT,XS(F)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::S(C)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
      • Refutation
        • P(c);
    • Try
      • R(H);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • R(H);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
      • Refutation
        • P(c);
    • Try
      • R(H);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(C)::B(E)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • P(c);
    • Try
      • R(H);CHECK
      • Refutation
        • K(b);S_FLIGHT,XS(C)
  • Actual
    • S(F);
    • Vars
      • K(b);S_FLIGHT,XS(C)::B(E)
      • K(b);S_FLIGHT::B(E)
      • K(b);S_FLIGHT,XS(F)::B(E)
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