MESON Chess Problem Database

Problem Display
PID: 21667 (8/1P1P4/1p2kBP1/1R5p/QN5K/1R6/B7/8 w - - 0 1)

Loedel, Juan Eduardo

Good Companions (February), 1920

8/1P1P4/1p2kBP1/1R5p/QN5K/1R6/B7/8

#2

10 + 3

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Tries
    • 1.Bd8?
      • threat
        • 2.Rd3#
      • 1...Kd6
        • 2.Rd3#
      • 1...Kxd7!
    • 1.Rc3+?
      • 1...Kd6
        • 2.Rxb6#
        • 2.Qd1#
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxd7
        • 2.Rxb6#
      • 1...Kxf6!
    • 1.Rf3+?
      • 1...Kd6
        • 2.d8Q#
      • 1...Kxd7!
    • 1.Rd5?
      • threat
        • 2.Qc6#
      • 1...b5
        • 2.Qa6#
      • 1...Kxf6!
    • 1.Re5+?
      • 1...Kd6
        • 2.Qc6#
        • 2.b8Q#
        • 2.b8B#
        • 2.d8Q#
      • 1...Kxf6!
    • 1.b8Q?
      • 1...Kxd7
        • 2.Rd3#
        • 2.Rxb6#
      • 1...Kxf6!
  • Keys
    • 1.d8B!
      • threat
        • 2.Rd3#
      • 1...Kd6
        • 2.Rd3#
      • 1...Kd7
        • 2.Rxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Threat
        • B(A)+R(B)
      • Vars
        • K(c);P-FLIGHT::R(B)
      • Refutation
        • K(c);S_FLIGHT,XP(J)
    • Try
      • R(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(J)::QAB(C)+R(F),XP(b)
      • Refutation
        • K(c);P-FLIGHT,XB(G)
    • Try
      • R(B);CHECK
      • Vars
        • K(c);P-FLIGHT::P=Q
      • Refutation
        • K(c);S_FLIGHT,XP(J)
    • Try
      • R(F);
      • Threat
        • QAR2(C)
      • Vars
        • P(b);OGATEB::QAR(C)
      • Refutation
        • K(c);P-FLIGHT,XB(G)
    • Try
      • R(F);CHECK
      • Refutation
        • K(c);P-FLIGHT,XB(G)
    • Try
      • P(I);
      • Refutation
        • K(c);P-FLIGHT,XB(G)
  • Actual
    • P(J);
    • Threat
      • B(A)+R(B)
    • Vars
      • K(c);P-FLIGHT::R(B)
      • K(c);S_FLIGHT::QAB(C)+R(F),XP(b)
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