MESON Chess Problem Database

Problem Display
PID: 64742 (4br2/1B1p2B1/3p3r/4p2p/1Ppk1P2/3N2R1/2R2Nn1/1Kb5 w - - 0 1)

Wilhelm, Joseph A

1st HM.=, Good Companions (February), 1922

4br2/1B1p2B1/3p3r/4p2p/1Ppk1P2/3N2R1/2R2Nn1/1Kb5

#2

9 + 11

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...cxd3
      • 2.Rxd3#
    • 1...d5
      • 2.Bxe5#
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Rxc4#
      • 1...dxe5
        • 2.Bxe5#
      • 1...Bg6
        • 2.Sf7#
      • 1...Bf7
        • 2.Sg6#
      • 1...Se3
        • 2.Sf3#
      • 1...c3
        • 2.Rd3#
      • 1...d5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE,XS(D)::R1(E),XP(c)
    • P(g);N_GUARD::B(I),XP(e)
  • Actual
    • S(D);XP(e)
    • Threat
      • R1(B),XP(c)
    • Vars
      • P(g);OGATE,P_SPINP(g),XS(D)::B(I),XP(g)
      • B(j);P_PINR(B),S_CUTR(h)::B(I)+S(D)
      • B(j);S_CUTR(k)::B(I)+S(D)
      • S(b);SBLOCK::B(I)+S(D),DCHECK
      • P(c);N_GUARD::R1(E)
      • P(g);SBLOCK::B(I)+S(D),DCHECK
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