MESON Chess Problem Database

Problem Display
PID: 222505 (1bk1rB2/3R4/3pN3/N2P4/8/1R6/K7/8 w - - 0 1)

Berry, Bert

Philadelphia Times, 1884

1bk1rB2/3R4/3pN3/N2P4/8/1R6/K7/8

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Rd8#
    • 1...Rd8
      • 2.Rxd8#
    • 1...Ba7
      • 2.Rc7#
    • 1...Bc7
      • 2.Rxc7#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Kxd7
        • 2.Sb6#
      • 1...Ba7
        • 2.Rc7#
      • 1...Bc7
        • 2.Rxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD::R1(F)
    • R(d);N_GUARD::R1(F),XR(d)
    • B(b);N_GUARD::R1(F)
    • B(b);N_GUARD::R1(F),XB(b)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(c);S_FLIGHT,XR(F)::S(C)
      • B(b);N_GUARD::R1(F)
      • B(b);N_GUARD::R1(F),XB(b)
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