MESON Chess Problem Database

Problem Display
PID: 217496 (8/5Q1p/2p1NP2/3R4/2N1kP2/1B6/2p1P3/b1qbR2K w - - 0 1)

Davis, Henry Hosey

British Chess Magazine, 1931

8/5Q1p/2p1NP2/3R4/2N1kP2/1B6/2p1P3/b1qbR2K

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.e4#
    • 1...Qe3
      • 2.Sd6#
    • 1...Qxf4
      • 2.Sc5#
    • 1...Be5
      • 2.Rxe5#
    • 1...cxd5
      • 2.Qxh7#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Sc5#
        • 2.Sg5#
      • 1...Qxf4
        • 2.Sc5#
      • 1...Bxf6
        • 2.Sc5#
      • 1...cxd5
        • 2.Qxh7#
      • 1...Be5
        • 2.Rxe5#
      • 1...Qa3
        • 2.Sg5#
      • 1...Qe3
        • 2.Sd6#
        • 2.Sg5#
      • 1...Bd4
        • 2.Sg5#
      • 1...c5
        • 2.Sxc5#
        • 2.Sg5#
      • 1...h6
        • 2.Sc5#
      • 1...Kxd5!
    • 1.Qh5?
      • threat
        • 2.Qf3#
        • 2.Qf5#
      • 1...Qxf4
        • 2.Sc5#
      • 1...cxd5
        • 2.Qxh7#
      • 1...Be5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Qe3
        • 2.Sd6#
        • 2.Qf5#
      • 1...Bxe2!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qg2#
      • 1...Kxd5
        • 2.e4#
      • 1...Qxf4
        • 2.Sc5#
      • 1...cxd5
        • 2.Qxh7#
      • 1...Be5
        • 2.Rxe5#
      • 1...Qe3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(e);OGATE,S_FLIGHT,XR(G)::P(C)
    • Q(b);SBLOCK::S(E)
    • Q(b);SBLOCK,XP(F)::S(H)
    • B(a);N_GUARD::R1(G),XB(a)
    • P(f);SBLOCK,XR(G)::QAB(J),XP(g)
  • Tries
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);XP(F)::S(H)
        • B(a);XP(I)::S(H)
        • P(f);SBLOCK,XR(G)::QAB(J),XP(g)
        • B(a);N_GUARD::R1(G),XB(a)
        • Q(b);::S(H)
        • B(a);::S(H)
        • P(g);::S(H)
      • Refutation
        • K(e);S_FLIGHT,XR(G)
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);SBLOCK,XP(F)::S(H)
        • P(f);SBLOCK,XR(G)::QAB(J),XP(g)
      • Refutation
        • B(c);P_PINR(A),P_SPINB(c),XP(C)
  • Actual
    • Q(J);
    • Threat
      • QAB(J)
    • Vars
      • K(e);OGATE,S_FLIGHT,XR(G)::P(C)
      • Q(b);SBLOCK,XP(F)::S(H)
      • P(f);SBLOCK,XR(G)::QAB(J),XP(g)
      • B(a);N_GUARD::R1(G),XB(a)
      • Q(b);SBLOCK::S(E)
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