MESON Chess Problem Database

Problem Display
PID: 51254 (6Q1/5nB1/1q2P1r1/2ppp1b1/3k1pR1/3N1P2/B1R1K3/2N5 w - - 0 1)

Bennett, Frederick

Manchester Guardian, 1955

6Q1/5nB1/1q2P1r1/2ppp1b1/3k1pR1/3N1P2/B1R1K3/2N5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qa5
      • 2.Sb3#
    • 1...Qa7
      • 2.Sb3#
    • 1...Qc7
      • 2.Sb3#
    • 1...Qd8
      • 2.Sb3#
    • 1...Qb3
      • 2.Sxb3#
    • 1...Qa6
      • 2.Sb3#
    • 1...Qc6
      • 2.Sb3#
    • 1...Qd6
      • 2.Sb3#
    • 1...Qxe6
      • 2.Sb3#
    • 1...Bh4
      • 2.Rxf4#
    • 1...Be7
      • 2.Rxf4#
    • 1...Bd8
      • 2.Rxf4#
    • 1...Sd6
      • 2.Bxe5#
    • 1...Sh6
      • 2.Bxe5#
    • 1...Sd8
      • 2.Bxe5#
    • 1...Sh8
      • 2.Bxe5#
  • Keys
    • 1.Qd8!
      • threat
        • 2.Rc4#
        • 2.Qxd5#
      • 1...Qxd8
        • 2.Sb3#
      • 1...Qxe6
        • 2.Sb3#
        • 2.Rc4#
      • 1...Bxd8
        • 2.Rxf4#
      • 1...Sxd8
        • 2.Bxe5#
      • 1...Qb2
        • 2.Qxd5#
      • 1...Qb3
        • 2.Sxb3#
      • 1...Qb4
        • 2.Qxd5#
      • 1...Qb5
        • 2.Qxd5#
      • 1...Qa6
        • 2.Sb3#
        • 2.Qxd5#
      • 1...Qc6
        • 2.Sb3#
        • 2.Rc4#
      • 1...Qd6
        • 2.Sb3#
      • 1...Qb7
        • 2.Rc4#
      • 1...Sd6
        • 2.Bxe5#
      • 1...c4
        • 2.Rxc4#
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • Q(g);N_GUARD::S(A)
    • Q(g);N_GUARD::S(A),XQ(g)
    • Q(g);N_GUARD,P_PINS(E)::S(A)
    • Q(g);N_GUARD,XP(H)::S(A)
    • B(f);N_GUARD::R(G),XP(b)
    • S(i);N_GUARD::B(I),XP(e)
  • Actual
    • Q(J);
    • Threat
      • DUALS(2)
    • Vars
      • Q(g);N_GUARD,XQ(J)::S(A)
      • B(f);N_GUARD,XQ(J)::R(G),XP(b)
      • S(i);N_GUARD,XQ(J)::B(I),XP(e)
      • Q(g);P_PINR(C)::QAR1(J),XP(d)
      • Q(g);N_GUARD::S(A),XQ(g)
      • Q(g);::QAR1(J),XP(d)
      • Q(g);P_PINS(E)::QAR1(J),XP(d)
      • Q(g);N_GUARD::S(A)
      • Q(g);::R1(C)
      • S(i);N_GUARD::B(I),XP(e)
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