MESON Chess Problem Database

Problem Display
PID: 259348 (3Q4/3p4/3k4/1p6/1p1BPpP1/pP3P2/K7/8 w - - 0 1)

Pirrone, Santi

Comm., ASIGC 04. Ty., 2000-2001

3Q4/3p4/3k4/1p6/1p1BPpP1/pP3P2/K7/8

#2

7 + 6

15601 Albrecht-Leiss-Degener Collection 2022
3713 Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qb6#
    • 1...Ke6
      • 2.Qf6#
  • Tries
    • 1.Ka1?
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke6
        • 2.Qf6#
      • 1...a2!
    • 1.Kb1?
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke6
        • 2.Qf6#
      • 1...a2+!
    • 1.Ba1?
      • 1...Kc5
        • 2.Qc7#
      • 1...Ke6
        • 2.Qf6#
      • 1...Kc6!
    • 1.Bg1?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke6!
    • 1.Bf2?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke6!
    • 1.Bc5+?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc6
        • 2.Qb6#
        • 2.Qc8#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kxc5!
    • 1.Be5+?
      • 1...Kc5
        • 2.Qc7#
      • 1...Kc6
        • 2.Qc7#
      • 1...Ke6
        • 2.Qf6#
        • 2.Qe8#
      • 1...Kxe5!
    • 1.Bb6?
      • threat
        • 2.Qf6#
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc6
        • 2.Qc7#
      • 1...Ke6!
    • 1.Bf6?
      • threat
        • 2.Qb6#
      • 1...Kc5
        • 2.Qc7#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kc6!
    • 1.Ba7?
      • 1...Ke5
        • 2.Qe7#
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke6!
    • 1.Bg7?
      • 1...Kc5
        • 2.Qc7#
      • 1...Ke6
        • 2.Qf6#
      • 1...Kc6!
    • 1.Bh8?
      • 1...Kc5
        • 2.Qc7#
      • 1...Ke6
        • 2.Qf6#
      • 1...Kc6!
  • Keys
    • 1.g5!
      • 1...Kc6
        • 2.Qb6#
      • 1...Ke6
        • 2.Qf6#

This anticipates 50344(2003)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • P(a);CHECK
    • Try
      • B(D);
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),S_FLIGHT,XB(D)
    • Try
      • B(D);CHECK
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),S_FLIGHT,XB(D)
    • Try
      • B(D);
      • Threat
        • QAR2(G)
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);
      • Threat
        • QAR2(G)
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(e);N_GUARD,N_SPINP(f),S_FLIGHT::QAR2(G)
        • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT
  • Actual
    • P(F);
    • Vars
      • K(e);N_GUARD,N_SPINP(f),P-FLIGHT::QAR1(G)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).