MESON Chess Problem Database

Problem Display
PID: 161814 (1B6/3p4/3N4/P1Rp2P1/1Rpk4/8/6P1/1Q2K3 w - - 0 1)

Akhaladze, Beka

e4-e5, 2015

1B6/3p4/3N4/P1Rp2P1/1Rpk4/8/6P1/1Q2K3

#2

9 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sb5#
    • 1...Ke3
      • 2.Sf5#
    • 1...Ke5
      • 2.Qe4#
  • Tries
    • 1.Kd2?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxc5!
    • 1.Ke2?
      • 1...Kc3
        • 2.Sb5#
        • 2.Qb2#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxc5!
    • 1.Sf5+?
      • 1...Kc3
        • 2.Rb3#
        • 2.Qb3#
      • 1...Kxc5!
    • 1.Bc7?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxc5!
    • 1.Rbxc4+?
      • 1...Ke3
        • 2.Sf5#
        • 2.Qb3#
      • 1...Ke5
        • 2.Re4#
        • 2.Qe4#
        • 2.Qf5#
      • 1...dxc4!
    • 1.Rbb5?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qe4#
      • 1...c3
        • 2.Sf5#
      • 1...Kc3!
    • 1.Rb7?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Ke5
        • 2.Qe4#
      • 1...c3!
    • 1.Rcxc4+?
      • 1...Ke3
        • 2.Sf5#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Qb3#
      • 1...Ke5
        • 2.Qf5#
      • 1...dxc4!
    • 1.Rcb5?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kc3!
    • 1.Rxd5+?
      • 1...Kc3
        • 2.Se4#
        • 2.Sb5#
        • 2.Rxc4#
        • 2.Qb2#
      • 1...Ke3
        • 2.Sxc4#
        • 2.Sf5#
        • 2.Qe4#
        • 2.Qc1#
      • 1...Kxd5!
    • 1.Rc8?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5!
    • 1.Qc2?
      • 1...Ke3
        • 2.Sf5#
        • 2.Qd2#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxc5!
    • 1.Qc1?
      • 1...Kd3
        • 2.Rxd5#
        • 2.Qd2#
      • 1...Ke5
        • 2.Qe3#
      • 1...Kxc5!
    • 1.Qb2+?
      • 1...Kd3
        • 2.Qd2#
      • 1...Ke3
        • 2.Qd2#
      • 1...Kxc5!
    • 1.Qb3?
      • 1...Ke5
        • 2.Qe3#
      • 1...Kxc5!
    • 1.a6?
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxc5!
  • Keys
    • 1.Ra4!
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Sf5#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Ke5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(H)
    • K(b);N_SPINP(a),S_FLIGHT::S(H)
    • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
    • Try
      • S(H);CHECK
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
    • Try
      • B(I);
      • Vars
        • K(b);S_FLIGHT::S(H)
        • K(b);N_SPINP(a),S_FLIGHT::S(H)
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
    • Try
      • R(D);CHECK,XP(a)
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);N_PINP(a)
      • Vars
        • K(b);S_FLIGHT::S(H)
        • K(b);P_SPINP(c),S_FLIGHT::QAR1(A)
        • P(a);::S(H)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(D);N_PINP(a)
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::S(H)
        • K(b);S_FLIGHT::S(H)
        • K(b);OGATEB,S_FLIGHT,XR(F)::QAB1(A)
        • K(b);P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • R(F);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • P(c);P_SPINP(c),XR(F)
    • Try
      • R(F);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::S(H)
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(F);CHECK,XP(c)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XR(F)
    • Try
      • R(F);
      • Vars
        • K(b);S_FLIGHT::S(H)
        • K(b);N_SPINP(a),S_FLIGHT::S(H)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XR(F)
    • Try
      • Q(A);
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT,XR(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(A)
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
    • Try
      • Q(A);
      • Vars
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR2(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
    • Try
      • P(E);
      • Vars
        • K(b);S_FLIGHT::S(H)
        • K(b);N_SPINP(a),S_FLIGHT::S(H)
        • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XR(F)
  • Actual
    • R(D);
    • Vars
      • K(b);S_FLIGHT::S(H)
      • K(b);N_SPINP(a),S_FLIGHT::S(H)
      • K(b);N_SPINP(a),OGATEB,S_FLIGHT,XR(F)::QAB1(A)
      • K(b);N_SPINP(a),P_SPINP(c),S_FLIGHT::QAR1(A)
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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).