MESON Chess Problem Database

Problem Display
PID: 268557 (2q2R2/2ppbb2/N5B1/r3p3/4R1N1/3k3K/3p4/Q7 w - - 0 1)

Eaton, Vincent Lanius

British Chess Magazine, 1934

2q2R2/2ppbb2/N5B1/r3p3/4R1N1/3k3K/3p4/Q7

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sb4#
    • 1...Bb4
      • 2.Sxb4#
    • 1...Bh4
      • 2.Sb4#
    • 1...Bg5
      • 2.Sb4#
    • 1...Bf6
      • 2.Sb4#
    • 1...Bd8
      • 2.Sb4#
    • 1...Bc4
      • 2.Re3#
      • 2.Rxe5#
    • 1...d6
      • 2.Sb4#
  • Keys
    • 1.Qb2!
      • threat
        • 2.Sf2#
      • 1...d1S
        • 2.Rd4#
      • 1...Bh4
        • 2.Sb4#
      • 1...Bc5
        • 2.Sxe5#
      • 1...Be6
        • 2.Rf3#
      • 1...d5
        • 2.Qb3#
      • 1...d6
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(c);S_CUTB(g)::S(E)
    • B(g);N_GUARD::S(E),XB(g)
    • B(g);N_GUARD::S(E)
    • P(f);P_PINS(D),S_CUTB(g)::S(E)
  • Actual
    • Q(A);
    • Threat
      • S(D)
    • Vars
      • P(a);::B(F)+R(C),DCHECK
      • B(g);N_GUARD::S(E)
      • B(g);S_CUTR(c)::S(D),XP(d)
      • B(h);OGATE,P_PINS(D)::R(G)
      • P(f);P_PINS(D),S_CUTB(h)::QAR2(A)
      • P(f);P_PINS(D),S_CUTB(g)::S(E)
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Developed and maintained by Brian Stephenson.
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