MESON Chess Problem Database

Problem Display
PID: 195004 (8/4p3/2BpRp2/3NbN1P/2pBk3/2P1P1p1/6R1/4K2Q w - - 0 1)

Martinez, Alfonso

Pittsburgh Gazette-Times, 1918

8/4p3/2BpRp2/3NbN1P/2pBk3/2P1P1p1/6R1/4K2Q

#2

11 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Sb4#
      • 2.Rd2#
    • 1...Kf3
      • 2.Rxg3#
  • Tries
    • 1.Kf1?
      • 1...Kd3
        • 2.Sb4#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
    • 1.Sxf6+?
      • 1...Kd3
        • 2.Be4#
        • 2.Rd2#
        • 2.Qf1#
      • 1...Kxf5!
    • 1.Sdxe7+?
      • 1...Kd3
        • 2.Rd2#
        • 2.Qf1#
      • 1...d5!
    • 1.Sxg3+?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
        • 2.Qf1#
      • 1...Kf3!
    • 1.Sh4?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...f5!
    • 1.Sxd6+?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
        • 2.Qf1#
      • 1...Kf3
        • 2.Sxf6#
      • 1...exd6!
    • 1.Sh6?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...Kf3
        • 2.Rf2#
      • 1...f5!
    • 1.Bb6?
      • 1...Kd3
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
    • 1.Ba7?
      • 1...Kd3
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
    • 1.Bb7?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
    • 1.Ba8?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
    • 1.Rf2+?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...g2!
    • 1.Rxg3+?
      • 1...Kd3
        • 2.Sb4#
      • 1...Kxf5!
    • 1.Rxe7?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
    • 1.Qh3?
      • 1...Kd3
        • 2.Sb4#
      • 1...Kf3!
    • 1.h6?
      • 1...Kd3
        • 2.Sb4#
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxf5!
  • Keys
    • 1.Bd7!
      • 1...Kd3
        • 2.Rd2#
      • 1...Kf3
        • 2.Rxg3#
      • 1...Kxd5
        • 2.Rxg3#
      • 1...Kxf5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::S(G)
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • S(G);CHECK,XP(f)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • S(G);CHECK,XP(g)
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • S(H);CHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT
    • Try
      • S(H);
      • Refutation
        • P(f);
    • Try
      • S(H);CHECK,XP(e)
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::B(J)+S(G),XP(f)
      • Refutation
        • P(g);XS(H)
    • Try
      • S(H);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK
      • Refutation
        • P(f);
    • Try
      • B(F);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::R1(C)
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • B(F);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::R1(C)
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • B(J);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • B(J);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • R(C);CHECK
      • Refutation
        • P(a);P_SPINP(a)
    • Try
      • R(C);CHECK,XP(a)
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::S(G)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • R(K);XP(g)
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
    • Try
      • Q(B);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::S(G)
      • Refutation
        • K(c);N_SPINB(d),P_SPINP(a),S_FLIGHT
    • Try
      • P(I);
      • Vars
        • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(c);N_SPINB(d),S_FLIGHT,XS(H)
  • Actual
    • B(J);
    • Vars
      • K(c);N_SPINB(d),S_FLIGHT::R1(C)
      • K(c);N_SPINB(d),S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • K(c);N_SPINB(d),S_FLIGHT,XS(G)::QAB(B)+R(C),XP(a)
      • K(c);N_SPINB(d),S_FLIGHT,XS(H)::B(J)+R(K),DCHECK,XB(d)
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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).