MESON Chess Problem Database

Problem Display
PID: 65308 (1b6/4N1B1/2R1p2p/4Np2/3k1K2/5R2/1n3P2/1B6 w - - 0 1)

Cauveren, Jonas Ephraim

Good Companions (March), 1922

1b6/4N1B1/2R1p2p/4Np2/3k1K2/5R2/1n3P2/1B6

#2

8 + 6

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5+
      • 2.Bxe5#
    • 1...Sd1
      • 2.Rd3#
      • 2.Rc4#
    • 1...Sd3+
      • 2.Rxd3#
    • 1...Sa4
      • 2.Rd3#
      • 2.Rc4#
    • 1...Sc4
      • 2.Rd3#
      • 2.Rxc4#
  • Tries
    • 1.Sxf5+?
      • 1...Kd5
        • 2.Be4#
      • 1...exf5!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Rf4#
      • 1...f4+
        • 2.Rxf4#
      • 1...Sd3
        • 2.Rc4#
      • 1...Sc4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);CHECK,OGATE,P_SPINB(f),XS(E)::B(H),XB(f)
    • S(a);CHECK,N_GUARD::R1(C),XS(a)
  • Tries
    • Try
      • S(G);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT::B(A)
      • Refutation
        • P(d);XS(G)
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • R(C)
    • Vars
      • P(c);CHECK,N_PINS(E)::R(C),XP(c)
      • S(a);N_GUARD::R1(F)
      • S(a);N_GUARD::R1(F),XS(a)
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