MESON Chess Problem Database

Problem Display
PID: 208900 (8/NnK5/B7/Np6/k7/nRp5/8/8 w - - 0 1)

Seymour, Robert Hoe

American Chess Journal, 1876

8/NnK5/B7/Np6/k7/nRp5/8/8

#2

5 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bxb5+?
      • 1...Kxa5
        • 2.Sc6#
      • 1...Sxb5+!
  • Keys
    • 1.S7c6!
      • threat
        • 2.Rb4#
      • 1...Sb1
        • 2.Bxb5#
      • 1...Sc2
        • 2.Bxb5#
      • 1...Sc4
        • 2.Bxb5#
      • 1...b4
        • 2.Rxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK,XP(d)
      • Vars
        • K(c);P-FLIGHT,XS(B)::S(D)
      • Refutation
        • S(a);CHECK,XB(C)
  • Actual
    • S(D);
    • Threat
      • R1(A)
    • Vars
      • S(a);N_GUARD::B(C),XP(d)
      • P(d);::R1(A),XP(d)
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