MESON Chess Problem Database

Problem Display
PID: 21662 (8/2pr1r2/8/8/2QPk1Bn/2p4N/K2bPP2/3N1n2 w - - 0 1)

Funk, Henry E

Good Companions (December), 1920

8/2pr1r2/8/8/2QPk1Bn/2p4N/K2bPP2/3N1n2

#2

8 + 8

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Qe6#
    • 1...Rd5
      • 2.Qd3#
    • 1...Rf4
      • 2.Sg5#
    • 1...Bc1
      • 2.Sxc3#
    • 1...Be3
      • 2.Sxc3#
    • 1...Bf4
      • 2.Sxc3#
    • 1...Bg5
      • 2.Sxc3#
    • 1...Bh6
      • 2.Sxc3#
    • 1...Sf5
      • 2.Bf3#
      • 2.f3#
  • Keys
    • 1.f4!
      • threat
        • 2.d5#
      • 1...Rxd4
        • 2.Qe6#
      • 1...Rxf4
        • 2.Sg5#
      • 1...Bxf4
        • 2.Shf2#
      • 1...Rd5
        • 2.Qd3#
      • 1...Be3
        • 2.Sxc3#
      • 1...Se3
        • 2.Sdf2#
      • 1...Sf3
        • 2.exf3#
      • 1...Sf5
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(g);P_SPINR(g),SBLOCK,XP(G)::QAR2(F)
    • R(g);SBLOCK::QAB1(F)
    • R(h);SBLOCK,S_CUTB(b)::S(E)
    • B(b);N_GUARD::S(A),XP(c)
  • Actual
    • P(D);
    • Threat
      • QAR(F)+P(G)
    • Vars
      • R(g);P_SPINR(g),SBLOCK,XP(G)::QAR2(F)
      • R(h);SBLOCK,XP(D)::S(E)
      • B(b);SBLOCK,XP(D)::S(E)
      • R(g);SBLOCK::QAB1(F)
      • B(b);N_GUARD,SBLOCK::S(A),XP(c)
      • S(a);SBLOCK::S(A)
      • S(e);OGATE::P(C),XS(e)
      • S(e);N_GUARD,SBLOCK::B(H)
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