MESON Chess Problem Database

Problem Display
PID: 224641 (6R1/6Pp/p6N/B3K1kp/7N/7p/7P/8 w - - 0 1)

Gold, Samuel

Charleston Sunday News, 1887

6R1/6Pp/p6N/B3K1kp/7N/7p/7P/8

#2

7 + 5

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh4
      • 2.Bd8#
    • 1...Kxh6
      • 2.Bd2#
  • Tries
    • 1.Kd4?
      • 1...Kf4
        • 2.Bd2#
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6
        • 2.Bd2#
      • 1...Kf6!
    • 1.Ke4?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6
        • 2.Bd2#
      • 1...Kf6!
    • 1.Kd6?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kf6
        • 2.Bd8#
      • 1...Kxh6
        • 2.Bd2#
      • 1...Kf4!
    • 1.Ke6?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6
        • 2.Bd2#
      • 1...Kf4!
    • 1.Be1?
      • 1...Kxh6
        • 2.Bd2#
      • 1...a5!
    • 1.Bb4?
      • 1...Kxh4
        • 2.Be7#
      • 1...Kxh6
        • 2.Bd2#
      • 1...a5!
    • 1.Bb6?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6
        • 2.Be3#
      • 1...a5!
    • 1.Ra8?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6!
    • 1.Rb8?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6!
    • 1.Rc8?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6!
    • 1.Re8?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6!
    • 1.Rf8?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6!
    • 1.Rh8?
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kxh6!
  • Keys
    • 1.Kd5!
      • 1...Kf4
        • 2.Bd2#
      • 1...Kxh4
        • 2.Bd8#
      • 1...Kf6
        • 2.Bd8#
      • 1...Kxh6
        • 2.Bd2#

Anticipated by 214717(1877), 9325(1880)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XS(B)::B(C)
    • K(b);S_FLIGHT,XS(E)::B(C)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(C)
        • K(b);S_FLIGHT,XS(B)::B(C)
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
        • K(b);S_FLIGHT::B(C)
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • P(d);
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • P(d);
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
        • K(b);S_FLIGHT,XS(E)::B(C)
      • Refutation
        • P(d);
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
      • Refutation
        • K(b);S_FLIGHT,XS(E)
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
      • Refutation
        • K(b);S_FLIGHT,XS(E)
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
      • Refutation
        • K(b);S_FLIGHT,XS(E)
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
      • Refutation
        • K(b);S_FLIGHT,XS(E)
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
      • Refutation
        • K(b);S_FLIGHT,XS(E)
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT,XS(B)::B(C)
      • Refutation
        • K(b);P_SPINP(e),S_FLIGHT,XS(E)
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(b);S_FLIGHT::B(C)
      • K(b);S_FLIGHT,XS(B)::B(C)
      • K(b);S_FLIGHT,XS(E)::B(C)
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