MESON Chess Problem Database

Problem Display
PID: 64609 (8/4p3/1N2K3/3p4/p7/Rb2kP2/1Pp4P/2N1BR2 w - - 0 1)

Tuxen, Harri Viggo

1st HM.=, Good Companions (April Complete Blocks), 1920

8/4p3/1N2K3/3p4/p7/Rb2kP2/1Pp4P/2N1BR2

#2

9 + 6

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bf2#
    • 1...Kf4
      • 2.Bd2#
    • 1...d4+
      • 2.Sd5#
  • Tries
    • 1.Ke5?
      • threat
        • 2.Sxd5#
      • 1...d4
        • 2.Sc4#
        • 2.Sd5#
      • 1...e6!
    • 1.Bb4?
      • 1...d4+
        • 2.Sd5#
      • 1...Kf4
        • 2.Bd2#
      • 1...Kd4!
    • 1.Ba5?
      • 1...d4+
        • 2.Sd5#
      • 1...Kf4
        • 2.Bd2#
      • 1...Kd4!
    • 1.Rf2?
      • 1...d4+
        • 2.Sd5#
      • 1...Kf4
        • 2.Bd2#
      • 1...Kd4!
    • 1.Rxb3+?
      • 1...Kd4
        • 2.Bf2#
      • 1...Kf4
        • 2.Bd2#
      • 1...axb3!
    • 1.h3?
      • 1...d4+
        • 2.Sd5#
      • 1...Kd4
        • 2.Bf2#
      • 1...Kf4!
    • 1.h4?
      • 1...d4+
        • 2.Sd5#
      • 1...Kd4
        • 2.Bf2#
      • 1...Kf4!
  • Keys
    • 1.Bg3!
      • 1...d4+
        • 2.Sc4#
      • 1...Kd2
        • 2.Bf4#
      • 1...Kd4
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);N_SPINB(b),S_FLIGHT::B(B)
    • P(e);CHECK,SBLOCK::S(H)
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Threat
        • S(H),XP(e)
      • Refutation
        • P(f);
    • Try
      • B(B);
      • Vars
        • P(e);CHECK,SBLOCK::S(H)
        • K(c);N_SPINB(b),S_FLIGHT::B(B)
      • Refutation
        • K(c);N_SPINB(b),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • P(e);CHECK,SBLOCK::S(H)
        • K(c);N_SPINB(b),S_FLIGHT::B(B)
      • Refutation
        • K(c);N_SPINB(b),S_FLIGHT
    • Try
      • R(C);
      • Vars
        • P(e);CHECK,SBLOCK::S(H)
        • K(c);N_SPINB(b),S_FLIGHT::B(B)
      • Refutation
        • K(c);N_SPINB(b),S_FLIGHT
    • Try
      • R(F);CHECK,XB(b)
      • Vars
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • P(d);XR(F)
    • Try
      • P(E);
      • Vars
        • P(e);CHECK,SBLOCK::S(H)
        • K(c);N_SPINB(b),S_FLIGHT::B(B)
      • Refutation
        • K(c);N_SPINB(b),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • P(e);CHECK,SBLOCK::S(H)
        • K(c);N_SPINB(b),S_FLIGHT::B(B)
      • Refutation
        • K(c);N_SPINB(b),S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • P(e);CHECK,N_GUARD,SBLOCK::S(H)
      • K(c);N_SPINB(b),S_FLIGHT::B(B)
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