MESON Chess Problem Database

Problem Display
PID: 156882 (3Q4/1Bp2b2/3p1R1K/4k2n/3N2pN/1r6/7P/b7 w - - 0 1)

Husain, SI

British Chess Magazine, 1906

3Q4/1Bp2b2/3p1R1K/4k2n/3N2pN/1r6/7P/b7

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qxd6#
  • Keys
    • 1.Rf4!
      • threat
        • 2.Re4#
        • 2.Qg5#
      • 1...Kxf4
        • 2.Qg5#
      • 1...Rxb7
        • 2.Qg5#
      • 1...Bxd4
        • 2.Re4#
      • 1...Sxf4
        • 2.Qh8#
      • 1...c6
        • 2.Qg5#
      • 1...Re3
        • 2.Qg5#
      • 1...Bd5
        • 2.Sg6#
        • 2.Qg5#
      • 1...Be6
        • 2.Sg6#
        • 2.Re4#
      • 1...Bg6
        • 2.Sxg6#
      • 1...Sg3
        • 2.Qf6#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sg7
        • 2.Re4#
        • 2.Qf6#
      • 1...d5
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • P(g);N_GUARD::QAB1(G),XP(f)
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT,XR(D)::QAB1(G)
      • R(b);XB(F)::QAR2(G)
      • B(a);XS(B)::R1(D)
      • S(e);N_GUARD,SBLOCK,XR(D)::QAB(G)
      • P(g);::QAR2(G)
      • R(b);::QAR2(G)
      • B(h);N_GUARD::S(C),XB(h)
      • S(e);N_GUARD::QAB1(G)
      • S(e);N_GUARD::QAB1(G),XS(e)
      • P(f);OGATEB::QAB(G),XP(g)
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