MESON Chess Problem Database
Problem Display
PID: 231384 (8/8/3N1np1/1p6/5p2/1N1pk3/4p1Q1/4R1Kn w - - 0 1)
Bajtay, Jozsef
Nepszava, 1927
#2
5 + 8
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Qxf2#
- 1...Sg3
- 2.Qf2#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...d2
- 2.Qxe2#
- 1...f3
- 2.Qg5#
- 1...b4
- 2.Sc4#
- 1...g5
- 2.Sf5#
- 1...Sf2
- Tries
- 1.Ra1?
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...f3
- 2.Qg5#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...Sf2
- 2.Qxf2#
- 1...Sg3
- 2.Qf2#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...b4
- 2.Sc4#
- 1...g5
- 2.Sf5#
- 1...d2!
- 1...e1Q+
- 1.Rb1?
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...f3
- 2.Qg5#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...Sf2
- 2.Qxf2#
- 1...Sg3
- 2.Qf2#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...b4
- 2.Sc4#
- 1...g5
- 2.Sf5#
- 1...d2!
- 1...e1Q+
- 1.Ra1?
- Keys
- 1.Rc1!
- 1...e1Q+
- 2.Rxe1#
- 1...e1R+
- 2.Rxe1#
- 1...d2
- 2.Rc3#
- 1...f3
- 2.Qg5#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...Sf2
- 2.Qxf2#
- 1...Sg3
- 2.Qf2#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...b4
- 2.Sc4#
- 1...g5
- 2.Sf5#
- 1...e1Q+
- 1.Rc1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAR1(C),XS(g)
- S(g);N_GUARD::QAR1(C)
- P(c);N_GUARD::QAR1(C),XP(b)
- P(e);OGATEB,SBLOCK::QAB(C)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
- Tries
- Try
- R(A);N_PINP(b)
- Vars
- P(b);CHECK,OGATEB::R(A),XQ(b)
- P(b);CHECK,OGATEB::R(A),XR(b)
- P(e);OGATEB,SBLOCK::QAB(C)
- P(b);OGATEB::R(A),XS(b)
- P(b);OGATEB::R(A),XB(b)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAR1(C),XS(g)
- S(g);N_GUARD::QAR1(C)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
- Refutation
- P(c);
- Try
- R(A);N_PINP(b)
- Vars
- P(b);CHECK,OGATEB::R(A),XQ(b)
- P(b);CHECK,OGATEB::R(A),XR(b)
- P(e);OGATEB,SBLOCK::QAB(C)
- P(b);OGATEB::R(A),XS(b)
- P(b);OGATEB::R(A),XB(b)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAR1(C),XS(g)
- S(g);N_GUARD::QAR1(C)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
- Refutation
- P(c);
- Try
- Actual
- R(A);N_PINP(b)
- Vars
- P(b);CHECK,OGATEB::R(A),XQ(b)
- P(b);CHECK,OGATEB::R(A),XR(b)
- P(c);OGATEB::R(A)
- P(e);OGATEB,SBLOCK::QAB(C)
- P(b);OGATEB::R(A),XS(b)
- P(b);OGATEB::R(A),XB(b)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAR1(C),XS(g)
- S(g);N_GUARD::QAR1(C)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
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).