MESON Chess Problem Database

Problem Display
PID: 21690 (8/3N4/4N1p1/5kr1/K1Q3q1/4p2B/2n5/b7 w - - 0 1)

van Dijk, Johannes

Good Companions (March), 1920

8/3N4/4N1p1/5kr1/K1Q3q1/4p2B/2n5/b7

#2

5 + 7

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.Bxg4#
      • 2.Qxg4#
    • 1...Bg7
      • 2.Sxg7#
    • 1...Sd4
      • 2.Qd5#
  • Keys
    • 1.Sec5!
      • threat
        • 2.Qe4#
      • 1...Rh5
        • 2.Qxg4#
      • 1...Bd4
        • 2.Qf1#
      • 1...Sd4
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::S(D),XB(a)
    • S(b);N_PINQ(C)::QAR2(C)
  • Actual
    • S(D);
    • Threat
      • QAB1(C)
    • Vars
      • R(f);N_GUARD::QAB1(C),XQ(d)
      • B(a);N_PINQ(C)::QAR(C)
      • S(b);N_PINQ(C)::QAR2(C)
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