MESON Chess Problem Database

Problem Display
PID: 214521 (1R1B1r1k/q1p2Pp1/5NP1/n1Q3p1/2P3K1/b7/8/8 w - - 0 1)

Seymour, Robert Hoe

Brownson's Chess Journal, 1877

1R1B1r1k/q1p2Pp1/5NP1/n1Q3p1/2P3K1/b7/8/8

#2

8 + 8

15146 Atlanta Sunny South 1878
16855 chessarch.com 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd8
      • 2.Rxd8#
    • 1...Re8
      • 2.fxe8Q#
      • 2.fxe8R#
    • 1...Rg8
      • 2.fxg8Q#
      • 2.fxg8R#
    • 1...Bc1
      • 2.Qxf8#
    • 1...Bb2
      • 2.Qxf8#
    • 1...gxf6
      • 2.Bxf6#
  • Tries
    • 1.Rb3?
      • threat
        • 2.Rh3#
      • 1...gxf6
        • 2.Bxf6#
      • 1...Sxb3!
  • Keys
    • 1.Rb2!
      • threat
        • 2.Rh2#
      • 1...Bxb2
        • 2.Qxf8#
      • 1...gxf6
        • 2.Bxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(g);OGATE,P_SPINR(g),XB(H)::R(G),XR(g)
    • R(g);OGATE::PXR(g)=Q
    • B(a);N_GUARD::QAR2(C),XR(g)
    • P(f);OGATE,XS(D)::B(H),XP(f)
  • Tries
    • Try
      • R(G);
      • Threat
        • R(G)
      • Vars
        • P(f);OGATE,XS(D)::B(H),XP(f)
      • Refutation
        • S(b);XR(G)
  • Actual
    • R(G);
    • Threat
      • R(G)
    • Vars
      • B(a);N_GUARD,XR(G)::QAR2(C),XR(g)
      • P(f);OGATE,XS(D)::B(H),XP(f)
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