MESON Chess Problem Database

Problem Display
PID: 132117 (4rB2/1N2b2b/p5pQ/2P5/Kpk2P2/p2RPn2/4P2p/R5rB w - - 0 1)

Bennett, Frederick

The Field, 1955

(First published on Thu Dec 22 1955)

4rB2/1N2b2b/p5pQ/2P5/Kpk2P2/p2RPn2/4P2p/R5rB

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rxc1#
    • 1...Rg2
      • 2.Rc1#
    • 1...Rg3
      • 2.Rc1#
    • 1...Rg4
      • 2.Rc1#
    • 1...Rg5
      • 2.Rc1#
    • 1...Bh4
      • 2.Sa5#
    • 1...Bxc5
      • 2.Sa5#
    • 1...Bg5
      • 2.Sa5#
    • 1...Bf6
      • 2.Sa5#
    • 1...Se1
      • 2.Bd5#
    • 1...Sd2
      • 2.Bd5#
    • 1...Sh4
      • 2.Bd5#
    • 1...Se5
      • 2.Bd5#
    • 1...Sg5
      • 2.Bd5#
    • 1...g5
      • 2.Qxa6#
      • 2.Qe6#
  • Tries
    • 1.Bxe7?
      • threat
        • 2.Sa5#
      • 1...a5
        • 2.Sxa5#
      • 1...Rxe7!
    • 1.Qh5?
      • threat
        • 2.Sa5#
        • 2.Qd5#
      • 1...Rg5
        • 2.Rc1#
      • 1...Rd8
        • 2.Sa5#
      • 1...Bg5
        • 2.Sa5#
      • 1...Bd8
        • 2.Sd6#
        • 2.Qd5#
      • 1...Bg8
        • 2.Sa5#
      • 1...Se5
        • 2.Bd5#
      • 1...Sg5
        • 2.Bd5#
      • 1...a5
        • 2.Sxa5#
        • 2.Qd5#
      • 1...g5
        • 2.Qf7#
      • 1...gxh5!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Sa5#
        • 2.Qd5#
      • 1...Rxg5
        • 2.Rc1#
      • 1...Bxg5
        • 2.Sa5#
      • 1...Sxg5
        • 2.Bd5#
      • 1...Rd8
        • 2.Sa5#
      • 1...Bd8
        • 2.Sd6#
        • 2.Qd5#
      • 1...Bg8
        • 2.Sa5#
      • 1...Se5
        • 2.Bd5#
      • 1...a5
        • 2.Sxa5#
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • R(a);N_GUARD::R(A),XR(a)
    • R(a);N_GUARD::R(A)
    • B(i);::S(J)
    • B(i);XP(H)::S(J)
    • S(d);OGATE::B(B)
  • Tries
    • Try
      • B(K);XB(i)
      • Threat
        • S(J)
      • Vars
        • P(g);::S(J),XP(g)
      • Refutation
        • R(k);XB(K)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);N_GUARD::R(A)
        • R(k);::S(J)
        • B(i);::S(J)
        • B(j);::S(J)
        • S(d);OGATE::B(B)
        • P(h);OGATE::QAB(I)
      • Refutation
        • P(h);XQ(I)
  • Actual
    • Q(I);
    • Threat
      • DUALS(2)
    • Vars
      • R(a);N_GUARD,XQ(I)::R(A)
      • B(i);XQ(I)::S(J)
      • S(d);OGATE,XQ(I)::B(B)
      • R(k);::S(J)
      • B(j);::S(J)
      • S(d);OGATE::B(B)
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