MESON Chess Problem Database

Problem Display
PID: 64444 (2Q4K/1N2k2p/1q2r2r/4B3/4b3/5R2/4R3/8 w - - 0 1)

Bettmann, Henry Wald

4th Prize, Good Companions (April Meredith Ty.), 1919

2Q4K/1N2k2p/1q2r2r/4B3/4b3/5R2/4R3/8

#2

6 + 6

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Qd8#
    • 1...Qf2
      • 2.Qd8#
    • 1...Qe3
      • 2.Qd8#
    • 1...Qc5
      • 2.Qd8#
    • 1...Qa7
      • 2.Qd8#
    • 1...Qd8+
      • 2.Qxd8#
    • 1...Qb1
      • 2.Qd8#
    • 1...Qb2
      • 2.Qd8#
    • 1...Qb3
      • 2.Qd8#
    • 1...Qb4
      • 2.Qd8#
    • 1...Qb5
      • 2.Qd8#
    • 1...Qa6
      • 2.Qd8#
    • 1...Qc6
      • 2.Qd8#
    • 1...Bc6
      • 2.Bd6#
  • Tries
    • 1.Qc7+?
      • 1...Ke8
        • 2.Qf7#
      • 1...Qxc7!
  • Keys
    • 1.Rf8!
      • threat
        • 2.Qe8#
      • 1...Qd8
        • 2.Qxd8#
      • 1...Qb5
        • 2.Qd8#
      • 1...Qc6
        • 2.Qd8#
      • 1...Bc6
        • 2.Bd6#
      • 1...Bg6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(b);N_GUARD::QAB1(E)
    • Q(b);CHECK,N_GUARD::QAB1(E),XQ(b)
    • Q(b);N_GUARD,P_PINB(C)::QAB1(E)
    • B(a);S_CUTQ(b),S_CUTR(c)::B(C)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(e);OGATE,P-FLIGHT::QAB1(E)
      • Refutation
        • Q(b);XQ(E)
  • Actual
    • R(B);
    • Threat
      • QAR1(E)
    • Vars
      • Q(b);N_GUARD,P_PINR(B)::QAB1(E),XQ(b)
      • Q(b);N_GUARD::QAB1(E)
      • B(a);S_CUTQ(b),S_CUTR(c)::B(C)
      • B(a);S_CUTR(c),S_CUTR(d)::B(C)
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