MESON Chess Problem Database

Problem Display
PID: 36055 (5R2/4N1p1/3ppbB1/4N1n1/4bk1P/5p2/1B3P2/K3R3 w - - 0 1)

Barnes, Barry Peter

2nd HM., British Chess Magazine, 1964

5R2/4N1p1/3ppbB1/4N1n1/4bk1P/5p2/1B3P2/K3R3

#2

9 + 8

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Bc1#
    • 1...Bc2
      • 2.Bc1#
    • 1...Bd3
      • 2.Bc1#
    • 1...Bd5
      • 2.Bc1#
    • 1...Bf5
      • 2.Bc1#
    • 1...Bc6
      • 2.Bc1#
    • 1...Bxg6
      • 2.Bc1#
    • 1...Bb7
      • 2.Bc1#
    • 1...Ba8
      • 2.Bc1#
    • 1...Sh3
      • 2.Rxe4#
    • 1...Sf7
      • 2.Rxe4#
    • 1...Sh7
      • 2.Rxe4#
  • Tries
    • 1.Sd5+?
      • 1...Bxd5
        • 2.Bc1#
      • 1...exd5!
    • 1.Rg1?
      • threat
        • 2.Rg4#
      • 1...dxe5
        • 2.Bc1#
      • 1...Bf5!
    • 1.Rxf6+?
      • 1...Bf5
        • 2.Bc1#
      • 1...gxf6!
  • Keys
    • 1.Bf5!
      • threat
        • 2.S5g6#
      • 1...Bxf5
        • 2.Bc1#
      • 1...Bxe5
        • 2.Sg6#
      • 1...dxe5
        • 2.Bc1#
      • 1...exf5
        • 2.S7g6#
      • 1...g6
        • 2.S5xg6#

This is a version of 813

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 11
  • Sets
    • B(b);::B(C)
    • B(b);N_SPINB(g)::B(C)
    • B(b);XB(G)::B(C)
    • S(d);N_GUARD::R1(B),XB(b)
    • S(d);N_GUARD,N_SPINB(g)::R1(B),XB(b)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • B(b);XS(H)::B(C)
      • Refutation
        • P(f);XS(H)
    • Try
      • R(B);
      • Threat
        • R1(B)
      • Vars
        • P(e);SBLOCK,XS(F)::B(C)
      • Refutation
        • B(b);N_SPINB(g)
    • Try
      • R(I);CHECK,XB(g)
      • Vars
        • B(b);P_SPINB(b)::B(C)
      • Refutation
        • P(h);XR(I)
  • Actual
    • B(G);N_PINB(g)
    • Threat
      • S(F)
    • Vars
      • B(b);XB(G)::B(C)
      • B(g);P_PINB(C),XS(F)::S(H)
      • P(e);SBLOCK,XS(F)::B(C)
      • P(f);SBLOCK,XB(G)::S(H)
      • P(h);::S(F),XP(h)
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