MESON Chess Problem Database

Problem Display
PID: 210888 (8/2K5/8/3Q4/nk3B2/8/R7/8 w - - 0 1)

Mariz Garcia, J

The Problemist, 1985

8/2K5/8/3Q4/nk3B2/8/R7/8

#2

4 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Bd2#
    • 1...Sb2
      • 2.Bd2#
    • 1...Sc3
      • 2.Bd6#
    • 1...Sb6
      • 2.Bd2#
  • Tries
    • 1.Kb7?
      • 1...Kc3
        • 2.Bd2#
      • 1...Sb2
        • 2.Bd2#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sb6
        • 2.Bd2#
      • 1...Sc5+!
    • 1.Kb8?
      • 1...Kc3
        • 2.Bd2#
      • 1...Sb2
        • 2.Bd2#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sb6
        • 2.Bd2#
      • 1...Sc5!
    • 1.Kd8?
      • 1...Kc3
        • 2.Bd2#
      • 1...Sb2
        • 2.Bd2#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sb6
        • 2.Bd2#
      • 1...Sc5!
    • 1.Bg3?
      • 1...Kc3
        • 2.Be1#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sb2
        • 2.Be1#
      • 1...Sb6
        • 2.Be1#
      • 1...Sc5!
    • 1.Bg5?
      • 1...Kc3
        • 2.Bd2#
      • 1...Sc3
        • 2.Be7#
      • 1...Sb2
        • 2.Bd2#
      • 1...Sb6
        • 2.Bd2#
      • 1...Sc5!
    • 1.Bh6?
      • 1...Kc3
        • 2.Bd2#
      • 1...Sc3
        • 2.Bf8#
      • 1...Sb2
        • 2.Bd2#
      • 1...Sb6
        • 2.Bd2#
      • 1...Sc5!
    • 1.Rb2+?
      • 1...Ka3
        • 2.Qa2#
        • 2.Qb3#
      • 1...Kc3
        • 2.Be5#
      • 1...Sxb2!
    • 1.Qb3+?
      • 1...Ka5
        • 2.Rxa4#
        • 2.Qxa4#
        • 2.Qb6#
      • 1...Kc5
        • 2.Be3#
      • 1...Kxb3!
    • 1.Qc4+?
      • 1...Ka5
        • 2.Bd2#
        • 2.Rxa4#
        • 2.Qxa4#
      • 1...Kxc4!
    • 1.Qd3?
      • 1...Ka5
        • 2.Bd2#
      • 1...Kc5
        • 2.Bd6#
      • 1...Sb2
        • 2.Bd6#
      • 1...Sc5
        • 2.Bd2#
      • 1...Sb6
        • 2.Bd6#
      • 1...Sc3!
    • 1.Qb5+?
      • 1...Kc3
        • 2.Be5#
      • 1...Kxb5!
  • Keys
    • 1.Kc6!
      • 1...Kc3
        • 2.Bd2#
      • 1...Sb2
        • 2.Bd2#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sc5
        • 2.Bd2#
      • 1...Sb6
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(B)
    • S(a);N_GUARD::B(B)
    • S(a);N_GUARD,SBLOCK::B(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
      • Refutation
        • S(a);CHECK
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
      • Refutation
        • S(a);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
      • Refutation
        • S(a);
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
        • S(a);N_GUARD::B(B)
      • Refutation
        • S(a);
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
        • S(a);N_GUARD::B(B)
      • Refutation
        • S(a);
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
        • S(a);N_GUARD::B(B)
      • Refutation
        • S(a);
    • Try
      • R(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • S(a);XR(A)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(b);P_SPINS(a),S_FLIGHT::B(B)
        • K(b);S_FLIGHT::B(B)
        • S(a);N_GUARD::B(B)
        • S(a);N_GUARD,SBLOCK::B(B)
      • Refutation
        • S(a);
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(b);S_FLIGHT::B(B)
      • S(a);N_GUARD::B(B)
      • S(a);N_GUARD,SBLOCK::B(B)
HTML5 logo

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).