MESON Chess Problem Database
Problem Display
PID: 21649 (N4K2/4p3/2ppBp2/Rpkn1n1Q/5P2/3Pp3/NB2P3/3R4 w - - 0 1)
Tuxen, Harri Viggo
2nd Prize=, Good Companions (April Complete Blocks), 1920
#2
11 + 9
| 3132 | The Good Companion Two-Mover | 1922 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3
- Tries
- 1.Kf7?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sh6+!
- 1...Sxf4
- 1.Kg8?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sh6+!
- 1...Sxf4
- 1.Ba1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sd4!
- 1...Sxf4
- 1.Bc1?
- 1...Sxf4
- 2.Bxe3#
- 2.d4#
- 1...Sc3
- 2.Bxe3#
- 2.d4#
- 1...Sb4
- 2.Bxe3#
- 2.d4#
- 1...Sb6
- 2.Bxe3#
- 2.d4#
- 1...Sc7
- 2.Bxe3#
- 2.d4#
- 1...Sg3
- 2.Bxe3#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Bxe3#
- 1...Sh6
- 2.Bxe3#
- 1...Sg7
- 2.Bxe3#
- 1...Kd4!
- 1...Sxf4
- 1.Ba3+?
- 1...Sb4
- 2.d4#
- 1...Kd4!
- 1...Sb4
- 1.Ra1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3!
- 1...Sxf4
- 1.Rb1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3!
- 1...Sxf4
- 1.Re1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3!
- 1...Sxf4
- 1.Rf1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3!
- 1...Sxf4
- 1.Rg1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3!
- 1...Sxf4
- 1.Rh1?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sc3!
- 1...Sxf4
- 1.Rd2?
- 1...Sxf4
- 2.Rc2#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc2#
- 2.d4#
- 1...Sg3
- 2.Rc2#
- 1...Sd4
- 2.Ba3#
- 1...Sh4
- 2.Rc2#
- 1...Sh6
- 2.Rc2#
- 1...Sg7
- 2.Rc2#
- 1...exd2!
- 1...Sxf4
- 1.Ra4?
- 1...Sxf4
- 2.Bd4#
- 2.Rc1#
- 2.d4#
- 1...b4
- 2.Ra5#
- 1...Sc3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.Bd4#
- 2.d4#
- 1...Sc7
- 2.Bd4#
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Bd4#
- 2.Rc1#
- 2.d4#
- 1...Sd4
- 2.Bxd4#
- 1...Sh4
- 2.Bd4#
- 2.Rc1#
- 2.d4#
- 1...Sh6
- 2.Bd4#
- 2.Rc1#
- 2.d4#
- 1...Sg7
- 2.Bd4#
- 2.Rc1#
- 2.d4#
- 1...bxa4!
- 1...Sxf4
- 1.Ra6?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...b4
- 2.Ra5#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sd4!
- 1...Sxf4
- 1.Ra7?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...b4
- 2.Ra5#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sd4!
- 1...Sxf4
- 1.Qg5?
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...Sd4
- 2.Ba3#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...fxg5!
- 1...Sxf4
- 1.Kf7?
- Keys
- 1.Ra3!
- 1...Sxf4
- 2.Rc1#
- 2.d4#
- 1...Sc3
- 2.d4#
- 1...b4
- 2.Ra5#
- 1...Sb4
- 2.d4#
- 1...Sb6
- 2.d4#
- 1...Sc7
- 2.Rc1#
- 2.d4#
- 1...Sg3
- 2.Rc1#
- 1...Sd4
- 2.Rc3#
- 1...Sh4
- 2.Rc1#
- 1...Sh6
- 2.Rc1#
- 1...Sg7
- 2.Rc1#
- 1...Sxf4
- 1.Ra3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Tries
- Try
- K(K);P-FLIGHT
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(e);CHECK,P_SPINS(d)
- Try
- K(K);P-FLIGHT
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(e);CHECK,P_SPINS(d)
- Try
- B(C);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- Refutation
- S(e);P_SPINS(d)
- Try
- B(C);
- Vars
- S(e);N_GUARD,P_SPINS(d)::B(C),XP(a)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT
- Try
- B(C);CHECK
- Vars
- S(d);P_SPINS(d)::P(E)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(d);P_SPINS(e)
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(d);P_SPINS(e)
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(d);P_SPINS(e)
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(d);P_SPINS(e)
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(d);P_SPINS(e)
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- S(d);P_SPINS(e)
- Try
- R(A);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::B(C)
- Refutation
- P(a);XR(A)
- Try
- R(G);N_PINP(b)
- Vars
- P(b);OGATEB::R(G)
- S(d);P_SPINS(e)::P(E)
- S(e);N_GUARD,P_SPINS(d)::B(C),XS(e)
- Refutation
- P(b);XR(G)
- Try
- R(G);N_PINP(b)
- Vars
- S(d);P_SPINS(e)::P(E)
- P(b);OGATEB::R(G)
- S(e);P_SPINS(d)::R(A)
- Refutation
- S(e);P_SPINS(d)
- Try
- R(G);N_PINP(b)
- Vars
- S(d);P_SPINS(e)::P(E)
- P(b);OGATEB::R(G)
- S(e);P_SPINS(d)::R(A)
- Refutation
- S(e);P_SPINS(d)
- Try
- Q(H);
- Vars
- S(d);P_SPINS(e)::P(E)
- S(e);P_SPINS(d),SBLOCK::B(C)
- S(e);P_SPINS(d)::R(A)
- Refutation
- P(h);XQ(H)
- Try
- Actual
- R(G);N_PINP(b)
- Vars
- S(d);P_SPINS(e)::P(E)
- P(b);OGATEB::R(G)
- S(e);P_SPINS(d)::R(A)
- S(e);P_SPINS(d),SBLOCK::R(G)
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).