MESON Chess Problem Database

Problem Display
PID: 247900 (q1N3r1/np3BbR/1Nk3n1/3p4/1Q6/2P3B1/p2rp1p1/K1R5 w - - 0 1)

Westbury, Eric Ernest

British Chess Magazine, 1932

q1N3r1/np3BbR/1Nk3n1/3p4/1Q6/2P3B1/p2rp1p1/K1R5

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Bxd5#
    • 1...Rc2
      • 2.Bxd5#
    • 1...Rd4
      • 2.cxd4#
    • 1...Re8
      • 2.Bxe8#
    • 1...Bxc3+
      • 2.Rxc3#
    • 1...Bd4
      • 2.Bxd5#
    • 1...Bf8
      • 2.Be8#
    • 1...Sh4
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
    • 1...Sf8
      • 2.Se7#
    • 1...Sh8
      • 2.Se7#
    • 1...d4
      • 2.Bd5#
      • 2.Qc4#
  • Tries
    • 1.Qa4+?
      • 1...Kc5
        • 2.Sd7#
        • 2.Bd6#
      • 1...Sb5!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Qc5#
      • 1...Bxc3+
        • 2.Rxc3#
      • 1...Kc7
        • 2.Qd6#
      • 1...Rd4
        • 2.cxd4#
      • 1...Bd4
        • 2.Bxd5#
      • 1...Bf8
        • 2.Be8#
      • 1...d4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD,N_PINP(C)::B(G),XP(e)
    • R(b);N_GUARD::B(G),XP(e)
    • R(b);N_PINP(C)::R(B)+P(C),XR(b)
    • R(l);N_GUARD::B(G),XR(l)
    • B(j);CHECK,OGATE,P_SPINB(j),XP(C)::R(B),XB(j)
    • B(j);S_CUTR(b)::B(G),XP(e)
    • B(j);N_PINP(C),S_CUTR(l)::B(G)
    • S(g);N_GUARD::S(I)
    • S(g);N_GUARD::S(I),XS(g)
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • S(h);P_SPINS(h)
  • Actual
    • B(D);
    • Threat
      • QAR1(E)
    • Vars
      • B(j);CHECK,OGATE,P_SPINB(j),XP(C)::R(B),XB(j)
      • K(f);P-FLIGHT::QAB1(E)
      • R(b);N_PINP(C)::R(B)+P(C),XR(b)
      • B(j);S_CUTR(b)::B(G),XP(e)
      • B(j);N_PINP(C),S_CUTR(l)::B(G)
      • P(e);N_GUARD,N_PINP(C)::QAR2(E)
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