MESON Chess Problem Database
Problem Display
PID: 110722 (8/3p4/1N1P1p2/2N1pQ2/1P1k1P2/r1np1Pp1/1n1B2K1/8 w - - 0 1)
Kardos, Tivadar
Springaren, 1954
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8
- 2.Sb3#
- 1...Sbd1
- 2.Qxd3#
- 1...Sba4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sb1
- 2.Qe4#
- 1...Scd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sca4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...exf4
- 2.Qxf6#
- 1...e4
- 2.Qxf6#
- 1...Ra1
- Tries
- 1.Kh3?
- 1...exf4
- 2.Qxf6#
- 1...Ra1
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8
- 2.Sb3#
- 1...Sbd1
- 2.Qxd3#
- 1...Sba4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sb1
- 2.Qe4#
- 1...Scd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sca4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...e4
- 2.Qxf6#
- 1...g2!
- 1...exf4
- 1.Bxc3+?
- 1...Ke3
- 2.Qe4#
- 1...Rxc3
- 2.Qe4#
- 1...Kxc3!
- 1...Ke3
- 1.Qg6?
- 1...exf4
- 2.Qxf6#
- 1...Ra1
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8
- 2.Sb3#
- 1...Sbd1
- 2.Qxd3#
- 1...Sba4
- 2.Qxd3#
- 1...Sc4
- 2.Qxd3#
- 1...Sb1
- 2.Qe4#
- 1...Scd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sca4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...e4
- 2.Qxf6#
- 1...f5!
- 1...exf4
- 1.Kh3?
- Keys
- 1.Qe6!
- 1...exf4
- 2.Qxf6#
- 1...dxe6
- 2.Sxe6#
- 1...Ra1
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8
- 2.Sb3#
- 1...Sbd1
- 2.Qc4#
- 1...Sba4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb1
- 2.Qd5#
- 1...Scd1
- 2.Qd5#
- 1...Sa2
- 2.Qd5#
- 1...Se2
- 2.Qd5#
- 1...Sca4
- 2.Qd5#
- 1...Se4
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...e4
- 2.Qxf6#
- 1...f5
- 2.Qxe5#
- 1...exf4
- 1.Qe6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::S(F)
- R(b);N_GUARD::S(F),XR(b)
- S(a);N_GUARD::QAR1(G),XP(d)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- P(g);OGATEB,XP(E)::QAB(G),XP(h)
- P(g);OGATEB::QAB(G),XP(h)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- P(g);OGATEB,XP(E)::QAB(G),XP(h)
- R(b);N_GUARD::S(F)
- R(b);N_GUARD::S(F),XR(b)
- S(a);N_GUARD::QAR1(G),XP(d)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- P(g);OGATEB::QAB(G),XP(h)
- Refutation
- P(e);
- Try
- B(A);CHECK,XS(c)
- Vars
- K(f);S_FLIGHT::QAR1(G)
- R(b);SBLOCK,XB(A)::QAR1(G)
- Refutation
- K(f);S_FLIGHT,XB(A)
- Try
- Q(G);
- Vars
- P(g);OGATEB,XP(E)::QAB(G),XP(h)
- R(b);N_GUARD::S(F)
- R(b);N_GUARD::S(F),XR(b)
- S(a);N_GUARD::QAR1(G),XP(d)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- P(g);OGATEB::QAB(G),XP(h)
- Refutation
- P(h);
- Try
- Actual
- Q(G);
- Vars
- P(g);OGATEB,XP(E)::QAB(G),XP(h)
- P(i);XQ(G)::S(F),XP(i)
- R(b);N_GUARD::S(F)
- R(b);N_GUARD::S(F),XR(b)
- S(a);N_GUARD::QAR1(G)
- S(a);N_GUARD::QAR1(G),XS(a)
- S(c);N_GUARD::QAR1(G)
- S(c);N_GUARD::QAR1(G),XS(c)
- P(g);OGATEB::QAB(G),XP(h)
- P(h);N_GUARD::QAB1(G),XP(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).