MESON Chess Problem Database

Problem Display
PID: 142324 (8/2p3p1/1pKP1Brp/1PN3Pb/R3N1kP/p1P1Q3/P2P1P1p/1n4br w - - 0 1)

Fothergill, Percival Guy Laugham (PGLF)

Daily Telegraph, 1924

(First published on Sat Nov 15 1924)

8/2p3p1/1pKP1Brp/1PN3Pb/R3N1kP/p1P1Q3/P2P1P1p/1n4br

#2

14 + 12

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh4
      • 2.Qg3#
    • 1...Kf5
      • 2.Sg3#
    • 1...cxd6
      • 2.Sxd6#
  • Tries
    • 1.Qf4+?
      • 1...Kh3
        • 2.Qg3#
      • 1...Kxf4!
    • 1.Qf3+?
      • 1...Kxh4
        • 2.Qg3#
      • 1...Kxf3!
    • 1.Qh3+?
      • 1...Kf4
        • 2.Sd3#
        • 2.Se6#
      • 1...Kxh3!
  • Keys
    • 1.Qd3!
      • 1...Kf4
        • 2.Sg3#
      • 1...Kxh4
        • 2.Qg3#
      • 1...Kf5
        • 2.Sg3#
      • 1...Rxg5
        • 2.Sxg5#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...Sxd2
        • 2.Sxd2#
      • 1...Sxc3
        • 2.Sxc3#
      • 1...bxc5
        • 2.Sxc5#
      • 1...hxg5
        • 2.Sxg5#
      • 1...cxd6
        • 2.Sxd6#
      • 1...gxf6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(f);P-FLIGHT,XP(H)::QAB1(E)
    • K(f);S_FLIGHT::S(G)
    • P(k);XP(M)::R(F)+S(G),XP(k)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR1(E)
      • Refutation
        • K(f);P-FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XP(H)::QAB1(E)
      • Refutation
        • K(f);S_FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(f);S_FLIGHT,XQ(E)
  • Actual
    • Q(E);
    • Vars
      • K(f);P-FLIGHT::R(F)+S(G)
      • K(f);P-FLIGHT,XP(H)::QAB1(E)
      • K(f);S_FLIGHT::QAB(E)+S(G),DCHECK
      • R(i);XP(K)::R(F)+S(G),XR(i)
      • R(i);P_PINP(M),XB(N)::R(F)+S(G),DCHECK,XR(i)
      • B(b);XP(C)::R(F)+S(G),DCHECK,XB(b)
      • S(a);XP(B)::R(F)+S(G),XS(a)
      • S(a);XP(D)::R(F)+S(G),XS(a)
      • P(h);XS(J)::R(F)+S(G),XP(h)
      • P(j);XP(K)::R(F)+S(G),XP(j)
      • P(k);XP(M)::R(F)+S(G),XP(k)
      • P(l);XB(N)::R(F)+S(G),DCHECK,XP(l)
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