MESON Chess Problem Database

Problem Display
PID: 174909 (8/5p1Q/8/8/1prk2P1/2N5/3N1P2/1K6 w - - 0 1)

Drnek, Josef

Nove parizske mody, 1901

8/5p1Q/8/8/1prk2P1/2N5/3N1P2/1K6

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kxc3
        • 2.Qc2#
        • 2.Qh3#
      • 1...Ke5!
    • 1.Sf3+?
      • 1...Kxc3
        • 2.Qc2#
      • 1...Kc5!
    • 1.Qe4+?
      • 1...Kxc3
        • 2.Qe3#
      • 1...Kc5!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qe3#
      • 1...Kxc3
        • 2.Qe3#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kc5
        • 2.Sb3#
      • 1...Ke5
        • 2.Sf3#
      • 1...Rxc3
        • 2.Qd6#
      • 1...bxc3
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XS(D)::QAR1(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);S_FLIGHT,XS(D)::QAR2(F)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAR2(F)
      • K(c);P-FLIGHT::QAR1(F)
      • K(c);S_FLIGHT::S(B)
      • R(b);SBLOCK,XS(D)::QAR2(F)
      • P(a);SBLOCK,XS(D)::QAR2(F)
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