MESON Chess Problem Database

Problem Display
PID: 22371 (8/3p4/3Q4/4p3/K1Pp2P1/4kP1R/1R6/8 w - - 0 1)

Winter-Wood, Carslake

The Field, 1893

(First published on Sat Mar 25 1893)

8/3p4/3Q4/4p3/K1Pp2P1/4kP1R/1R6/8

#2

7 + 4

187 The Chess Bouquet 1897
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qh6#
    • 1...d3
      • 2.Qxe5#
    • 1...e4
      • 2.f4#
  • Tries
    • 1.Ka3?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Kb3?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Kb4?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Ka5?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Ra2?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Rc2?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Rg2?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Rbh2?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
    • 1.Qb4?
      • threat
        • 2.Qd2#
      • 1...Kd3
        • 2.Qb3#
      • 1...Kf4
        • 2.Qd2#
      • 1...d3!
    • 1.Qd5?
      • threat
        • 2.Qe4#
      • 1...Kd3
        • 2.f4#
      • 1...e4
        • 2.Qxe4#
      • 1...Kf4!
    • 1.Qg6?
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Qh6#
      • 1...e4
        • 2.Qxe4#
      • 1...d5!
    • 1.f4+?
      • 1...Ke4
        • 2.Qxe5#
      • 1...Kxf4!
    • 1.c5?
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#
      • 1...Kd3!
  • Keys
    • 1.Kb5!
      • 1...Kd3
        • 2.Qa3#
      • 1...Kf4
        • 2.Qh6#
      • 1...d3
        • 2.Qxe5#
      • 1...e4
        • 2.f4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
    • P(b);SBLOCK::QAR2(G),XP(c)
    • P(c);SBLOCK::R(C)+P(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • R(A);
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • R(A);
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • R(A);
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • R(A);
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • K(a);P-FLIGHT::QAR2(G)
        • K(a);S_FLIGHT::QAB(G)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::R(C)+P(B)
        • P(c);::QAR1(G),XP(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);S_FLIGHT::QAB(G)
        • P(c);::QAR1(G),XP(c)
      • Refutation
        • P(d);
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(G),XP(c)
      • Refutation
        • K(a);P_SPINP(c),S_FLIGHT,XP(B)
    • Try
      • P(E);
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
        • P(b);SBLOCK::QAR2(G),XP(c)
        • P(c);SBLOCK::R(C)+P(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR(G)
      • K(a);P_SPINP(c),S_FLIGHT::QAB(G)
      • P(b);SBLOCK::QAR2(G),XP(c)
      • P(c);SBLOCK::R(C)+P(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).