MESON Chess Problem Database

Problem Display
PID: 262763 (3N4/6pQ/3pp3/2Nk1p2/R2P4/8/5K1p/3R4 w - - 0 1)

Tura, Waldemar

Szachy, 1957

3N4/6pQ/3pp3/2Nk1p2/R2P4/8/5K1p/3R4

#2

7 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...h1Q
      • 2.Qxh1#
    • 1...h1S+
      • 2.Qxh1#
    • 1...h1B
      • 2.Qxh1#
    • 1...h1R
      • 2.Qxh1#
    • 1...f4
      • 2.Qe4#
    • 1...e5
      • 2.Qg8#
    • 1...g5
      • 2.Qb7#
    • 1...g6
      • 2.Qb7#
  • Tries
    • 1.Ke1?
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...h1S
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...f4
        • 2.Qe4#
      • 1...e5
        • 2.Qg8#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Kf1?
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...h1S
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...f4
        • 2.Qe4#
      • 1...e5
        • 2.Qg8#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Ke2?
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1S
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...f4
        • 2.Qe4#
      • 1...e5
        • 2.Qg8#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Scxe6?
      • threat
        • 2.Qxf5#
      • 1...h1S+
        • 2.Qxh1#
      • 1...f4
        • 2.Sxf4#
        • 2.Sc7#
        • 2.Qf5#
      • 1...g6
        • 2.Qb7#
      • 1...Ke4!
    • 1.Rda1?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rb1?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rc1?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Re1?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rf1?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rh1?
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rd2?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rd3?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Rb4?
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Qg8#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Qb7#
      • 1...g6
        • 2.Qb7#
      • 1...dxc5!
    • 1.Qxf5+?
      • 1...e5
        • 2.Qe4#
        • 2.Qe6#
        • 2.Qf7#
      • 1...exf5!
    • 1.Qg6?
      • threat
        • 2.Qg2#
        • 2.Qxe6#
      • 1...dxc5
        • 2.Qxe6#
      • 1...h1Q
        • 2.Qxe6#
      • 1...h1B
        • 2.Qxe6#
      • 1...e5
        • 2.Qf7#
        • 2.Qe6#
      • 1...f4
        • 2.Qe4#
        • 2.Qxe6#
      • 1...h1S+!
    • 1.Qh3?
      • threat
        • 2.Qg2#
        • 2.Qb3#
        • 2.Qf3#
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
        • 2.Qb3#
      • 1...h1B
        • 2.Qxh1#
        • 2.Qb3#
      • 1...e5
        • 2.Qb3#
      • 1...f4
        • 2.Qxe6#
        • 2.Qb3#
        • 2.Qf3#
      • 1...dxc5!
    • 1.Qh5?
      • threat
        • 2.Qf3#
      • 1...h1S+
        • 2.Qxh1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...e5
        • 2.Qf7#
      • 1...dxc5!
    • 1.Qxg7?
      • threat
        • 2.Qg2#
        • 2.Qb7#
      • 1...dxc5
        • 2.Qe5#
      • 1...h1Q
        • 2.Qb7#
      • 1...h1B
        • 2.Qb7#
      • 1...e5
        • 2.Qb7#
        • 2.Qf7#
        • 2.Qg8#
      • 1...f4
        • 2.Qb7#
      • 1...h1S+!
  • Keys
    • 1.Sd7!
      • 1...h1S+
        • 2.Qxh1#
      • 1...Ke4
        • 2.d5#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.dxe5#
      • 1...f4
        • 2.Sb6#
      • 1...g5
        • 2.Sf6#
      • 1...g6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE::QAB(F),XQ(a)
    • P(a);CHECK,OGATE::QAB(F),XS(a)
    • P(a);OGATE::QAB(F),XB(a)
    • P(a);OGATE::QAB(F),XR(a)
    • P(c);OGATE::QAB1(F)
    • P(e);OGATEB::QAB(F)
    • P(f);OGATE::QAB(F)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XQ(a)
        • P(a);CHECK,OGATE::QAB(F),XR(a)
        • P(a);OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(c);OGATE::QAB1(F)
        • P(e);OGATEB::QAB(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XQ(a)
        • P(a);CHECK,OGATE::QAB(F),XR(a)
        • P(a);OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(c);OGATE::QAB1(F)
        • P(e);OGATEB::QAB(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(c);OGATE::QAB1(F)
        • P(e);OGATEB::QAB(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • S(E);XP(e)
      • Threat
        • QAR2(F),XP(c)
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(f);OGATE::QAB(F)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(A);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • R(C);
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(a);OGATE::QAB(F),XR(a)
        • P(e);OGATEB::QAB(F)
        • P(c);OGATE::QAB1(F)
        • P(f);OGATE::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • Q(F);CHECK,XP(c)
      • Refutation
        • P(e);XQ(F)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);XS(E)::QAB1(F),XP(e)
        • P(a);::QAB1(F),XP(e)
      • Refutation
        • P(a);CHECK
    • Try
      • Q(F);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(e);::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • Q(F);P_PINP(c)
      • Threat
        • QAB(F)
      • Vars
        • P(a);CHECK,OGATE::QAB(F),XS(a)
        • P(a);OGATE::QAB(F),XQ(a)
        • P(a);OGATE::QAB(F),XB(a)
        • P(e);N_SPINP(c),OGATEB::QAB(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • Q(F);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);N_GUARD,XS(E)::QAR1(F)
        • P(a);::QAB(F)
        • P(c);::QAB(F)
      • Refutation
        • P(a);CHECK
  • Actual
    • S(E);
    • Vars
      • P(a);CHECK,OGATE::QAB(F),XS(a)
      • K(b);OGATE,P_SPINP(c),S_FLIGHT::R(C)+P(D)
      • P(a);OGATE::QAB(F),XQ(a)
      • P(a);OGATE::QAB(F),XB(a)
      • P(a);OGATE::QAB(F),XR(a)
      • P(e);OGATE::R(A)+P(D),XP(e)
      • P(c);::S(E)
      • P(f);N_GUARD::S(E)
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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).