MESON Chess Problem Database

Problem Display
PID: 224463 (8/8/8/1P2N3/1k2K3/2N4R/P4B2/8 w - - 0 1)

Rosenbaum, Aleksandr

Philadelphia Times, 1887

8/8/8/1P2N3/1k2K3/2N4R/P4B2/8

#2

7 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Sc6#
  • Tries
    • 1.Kd3?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Kf4?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Kd5?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Kf5?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Bg1?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Bd4?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Bc5+?
      • 1...Ka5
        • 2.Sc4#
        • 2.Sc6#
      • 1...Kxc5!
    • 1.Ba7?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Rd3?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Rf3?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
    • 1.Rg3?
      • 1...Ka5
        • 2.Sc6#
      • 1...Ka3!
  • Keys
    • 1.Rh2!
      • 1...Ka3
        • 2.Bc5#
      • 1...Kxc3
        • 2.Be1#
      • 1...Ka5
        • 2.Sc6#

FEATURES

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