MESON Chess Problem Database

Problem Display
PID: 6880 (8/8/1N6/8/3p1K2/2pk4/3p4/3Q4 w - - 0 1)

Neukomm, Gyula (Julius) R

2nd HM., Magyar Sakkvilag, 1934

8/8/1N6/8/3p1K2/2pk4/3p4/3Q4

#2

3 + 4

273 Mat Plus 1995

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Qf3#
  • Tries
    • 1.Kg3?
      • 1...Ke3
        • 2.Qf3#
      • 1...c2
        • 2.Qf3#
      • 1...Ke4!
    • 1.Ke5?
      • 1...c2
        • 2.Qf3#
      • 1...Ke3!
    • 1.Kf5?
      • 1...c2
        • 2.Qf3#
      • 1...Ke3!
    • 1.Kg5?
      • 1...Ke4
        • 2.Qe2#
      • 1...c2
        • 2.Qf3#
      • 1...Ke3!
    • 1.Sa4?
      • 1...c2
        • 2.Qf1#
      • 1...Kc4!
    • 1.Sd5?
      • 1...c2
        • 2.Qf1#
      • 1...Kc4!
    • 1.Qb3?
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Ke2!
    • 1.Qa4?
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...c2
        • 2.Qc4#
      • 1...Ke2!
    • 1.Qg4?
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...c2
        • 2.Qf3#
      • 1...Kc2!
    • 1.Qh5?
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...c2
        • 2.Qf3#
      • 1...Kc2!
  • Keys
    • 1.Kg4!
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke4
        • 2.Qe2#
      • 1...c2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT::QAR1(A)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(a),S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);N_SPINP(a),S_FLIGHT::QAR2(A)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAB(A)
      • Refutation
        • K(c);N_SPINP(a),S_FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAB(A)
      • Refutation
        • K(c);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);N_PINP(a),P_PINP(b)
      • Vars
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
        • P(b);::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(c);N_SPINP(a),P-FLIGHT::QAR1(A)
      • K(c);N_SPINP(a),S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR2(A)
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).