MESON Chess Problem Database

Problem Display
PID: 243570 (5K2/1pP5/1B2N2p/R1p1kB1P/1p4P1/pP6/P5Q1/8 w - - 0 1)

Dimitrov, Nikolai

Shakhmaty (Riga), 1962

5K2/1pP5/1B2N2p/R1p1kB1P/1p4P1/pP6/P5Q1/8

#2

11 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc5+?
      • 1...Kd6
        • 2.Qd5#
        • 2.Qd2#
      • 1...Kf6!
    • 1.Qh1?
      • 1...Kf6
        • 2.Qa1#
      • 1...Kd6!
    • 1.Qg1?
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Qxc5#
      • 1...Kf6
        • 2.Qa1#
      • 1...Kd6!
    • 1.Qh2+?
      • 1...Kd5
        • 2.Rxc5#
      • 1...Kf6!
    • 1.Qg3+?
      • 1...Kd5
        • 2.Rxc5#
      • 1...Kf6!
    • 1.c8Q?
      • 1...Kd6
        • 2.Bc7#
        • 2.Qc7#
      • 1...Kf6!
    • 1.c8B?
      • 1...Kd6
        • 2.Bc7#
      • 1...Kf6!
  • Keys
    • 1.Sxc5!
      • 1...Kd4
        • 2.Sa4#
      • 1...Kf4
        • 2.Se6#
      • 1...Kd6
        • 2.Sxb7#
      • 1...Kf6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XP(c)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(d);P-FLIGHT::QAR1(B),XP(c)
        • K(d);N_SPINP(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);P-FLIGHT::R1(E),XP(c)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);P-FLIGHT::R1(E),XP(c)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • P(J);
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • P(J);
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::B(H)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
  • Actual
    • S(I);XP(c)
    • Vars
      • K(d);S_FLIGHT::B(H)+S(I)
      • K(d);S_FLIGHT::S(I)
      • K(d);S_FLIGHT::S(I),XP(f)
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