MESON Chess Problem Database

Problem Display
PID: 69560 (4R3/Bn6/b1Bp1p2/2r1P2K/6R1/2N1k1p1/1N1p1p2/3r1n2 w - - 0 1)

Boswell, Edward

Pratt, R

Grantham Journal, 1926

4R3/Bn6/b1Bp1p2/2r1P2K/6R1/2N1k1p1/1N1p1p2/3r1n2

#2

8 + 11

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Sbxd1#
    • 1...f5
      • 2.exd6#
  • Tries
    • 1.Bh1?
      • threat
        • 2.Re4#
      • 1...Be2
        • 2.Sd5#
      • 1...Bd3
        • 2.Sbxd1#
      • 1...d5
        • 2.exf6#
      • 1...f5
        • 2.exd6#
      • 1...g2!
    • 1.Bxc5+?
      • 1...dxc5
        • 2.exf6#
      • 1...Sxc5!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Re4#
      • 1...Be2
        • 2.Sd5#
      • 1...Bd3
        • 2.Sbxd1#
      • 1...d5
        • 2.exf6#
      • 1...f5
        • 2.exd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(h);SBLOCK::S(A),XR(a)
    • P(j);N_PINP(D)::R(H)+P(D),XP(i)
  • Tries
    • Try
      • B(F);
      • Threat
        • R1(C)
      • Vars
        • B(h);P_PINR(C),SBLOCK::S(B)
        • B(h);SBLOCK::S(A),XR(a)
        • P(i);N_PINP(D)::R(H)+P(D),XP(j)
        • P(j);N_PINP(D)::R(H)+P(D),XP(i)
      • Refutation
        • P(f);
    • Try
      • B(G);CHECK,N_SPINP(D),XR(g)
      • Vars
        • P(i);XB(G)::R(H)+P(D),XP(j)
      • Refutation
        • S(k);XB(G)
  • Actual
    • B(F);
    • Threat
      • R1(C)
    • Vars
      • B(h);P_PINR(C),SBLOCK::S(B)
      • B(h);SBLOCK::S(A),XR(a)
      • P(i);N_PINP(D)::R(H)+P(D),XP(j)
      • P(j);N_PINP(D)::R(H)+P(D),XP(i)
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