MESON Chess Problem Database

Problem Display
PID: 21674 (3r2N1/1PnknP2/RRpb3Q/1b2pp2/Np6/8/5K2/8 w - - 0 1)

Weenink, Henri Gerard Maria

5th HM., Good Companions (January), 1920

3r2N1/1PnknP2/RRpb3Q/1b2pp2/Np6/8/5K2/8

#2

8 + 10

3132 The Good Companion Two-Mover 1922
16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5+
      • 2.Sxc5#
    • 1...Sc8
      • 2.b8S#
    • 1...c5
      • 2.Rxd6#
      • 2.Qxd6#
  • Keys
    • 1.Rxc6!
      • threat
        • 2.Rxd6#
        • 2.Qxd6#
      • 1...Bc5+
        • 2.Sxc5#
      • 1...Bxc6
        • 2.Sb6#
      • 1...Sxa6
        • 2.Qxd6#
      • 1...Sxc6
        • 2.Sb6#
      • 1...Sxg8
        • 2.Qxd6#
      • 1...Sg6
        • 2.Rxd6#
      • 1...Scd5
        • 2.Qxd6#
      • 1...Se6
        • 2.Sf6#
      • 1...Sa8
        • 2.Qxd6#
      • 1...Se8
        • 2.f8S#
      • 1...Sc8
        • 2.b8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(f);CHECK,N_GUARD::S(B),XB(f)
    • S(i);SBLOCK,S_CUTR(j)::P=S
  • Actual
    • R(D);XP(e)
    • Threat
      • DUALS(2)
    • Vars
      • B(f);CHECK,N_GUARD::S(B),XB(f)
      • B(b);SBLOCK,XR(D)::S(B)
      • S(g);XR(C)::QAR1(E),XB(f)
      • S(i);SBLOCK,XR(D)::S(B)
      • S(i);XS(H)::QAR1(E),XB(f)
      • S(i);::R1(D),XB(f)
      • S(g);::QAR1(E),XB(f)
      • S(g);SBLOCK::S(H)
      • S(g);SBLOCK,S_CUTR(j)::P=S
      • S(i);SBLOCK,S_CUTR(j)::P=S
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