MESON Chess Problem Database

Problem Display
PID: 224727 (3N3Q/K2p4/1P3PR1/2k5/1p3N2/1P6/5P1B/8 w - - 0 1)

L'Hermet, Johann Georg Rudolf

Deutsche Schachzeitung, 1888

3N3Q/K2p4/1P3PR1/2k5/1p3N2/1P6/5P1B/8

#2

10 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rg5+?
      • 1...Kd6
        • 2.Se2#
        • 2.Sg2#
        • 2.Sd3#
        • 2.Sh3#
        • 2.Sh5#
        • 2.Sfe6#
        • 2.Sg6#
        • 2.Rd5#
        • 2.Qf8#
      • 1...d5
        • 2.Rxd5#
      • 1...Kd4!
    • 1.Qh5+?
      • 1...Kd6
        • 2.Se2#
        • 2.Sg2#
        • 2.Sd3#
        • 2.Sh3#
        • 2.Sfe6#
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...Kd4!
    • 1.Qg8?
      • threat
        • 2.Qd5#
      • 1...Kb5
        • 2.Qd5#
      • 1...Kd6
        • 2.Sd3#
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...Kd4!
  • Keys
    • 1.Qe8!
      • 1...Kd4
        • 2.Qe3#
      • 1...Kb5
        • 2.Rg5#
      • 1...Kd6
        • 2.Qe7#
      • 1...d5
        • 2.Sfe6#
      • 1...d6
        • 2.Sde6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • P(c);P_SPINP(c)::R1(G),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • P(c);P_SPINP(c)::QAR1(J),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(J);
      • Threat
        • QAR1(J)
      • Vars
        • K(b);P-FLIGHT::QAR2(J)
        • P(c);::QAR1(J),XP(c)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(J);
    • Vars
      • K(b);S_FLIGHT::QAB1(J)
      • K(b);P-FLIGHT,P_SPINP(c)::R(G)
      • P(c);N_GUARD,SBLOCK::S(D)
      • P(c);N_GUARD,SBLOCK::S(I)
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