MESON Chess Problem Database

Problem Display
PID: 695 (B1q5/4NbP1/4nKp1/r1prN1p1/p2R3Q/4kP1R/1b2P2B/3n4 w - - 0 1)

Smith, James Alfred John

1st Prize, British Chess Magazine, 1936

B1q5/4NbP1/4nKp1/r1prN1p1/p2R3Q/4kP1R/1b2P2B/3n4

#2

11 + 12

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Tries
    • 1.Bg1+?
      • 1...Sf2
        • 2.Qxf2#
        • 2.Qe4#
      • 1...Kxe2!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Re4#
      • 1...Kxd4
        • 2.Qd2#
      • 1...Rxd4
        • 2.f4#
      • 1...Rxe5
        • 2.Rd3#
      • 1...Bxd4
        • 2.Sxd5#
      • 1...Sxd4
        • 2.Sc4#
      • 1...cxd4
        • 2.Sg4#
      • 1...Sf2
        • 2.Qd2#
      • 1...Sc3
        • 2.Bg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);P-FLIGHT,XP(A)
  • Actual
    • Q(F);
    • Threat
      • R1(E)
    • Vars
      • K(c);S_FLIGHT,XR(E)::QAR2(F)
      • R(g);SBLOCK,XR(E)::R(D)+P(C)
      • R(g);N_GUARD,XS(G)::R1(E)
      • B(b);P_PINS(G),SBLOCK,XR(E)::S(I),XR(g)
      • S(i);SBLOCK,XR(E)::S(G)
      • P(f);SBLOCK,XR(E)::S(G)
      • S(a);SBLOCK::QAB1(F)
      • S(a);N_GUARD::B(B)
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