MESON Chess Problem Database
Problem Display
PID: 169885 (3K4/2PRp3/4kpQ1/Rn1N4/2p5/6n1/7B/8 w - - 0 1)
Castro e Melo, Jose
2nd HM., SEPA, 1945
#2
7 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sf5
- 2.Qg8#
- 1...Sa3
- 2.Sf4#
- 1...Sc3
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sd6
- 2.Sf4#
- 2.Rxe7#
- 1...Sa7
- 2.Sf4#
- 1...Sxc7
- 2.Sf4#
- 2.Sxc7#
- 1...Sf5
- Tries
- 1.Se3?
- 1...Ke5
- 2.Qf5#
- 1...Sxc7
- 2.Qg8#
- 1...Sf1
- 2.Rxe7#
- 2.Qg8#
- 1...Sh1
- 2.Rxe7#
- 2.Qg8#
- 1...Se2
- 2.Rxe7#
- 2.Qg8#
- 1...Se4
- 2.Rxe7#
- 2.Qg8#
- 1...Sf5
- 2.Qg8#
- 1...Sh5
- 2.Rxe7#
- 2.Qg8#
- 1...Sa3
- 2.Qg8#
- 1...Sc3
- 2.Qg8#
- 1...Sd4
- 2.Qg8#
- 1...Sd6
- 2.Rxe7#
- 1...Sa7
- 2.Qg8#
- 1...c3!
- 1...Ke5
- 1.Bxg3?
- 1...Sxc7
- 2.Sf4#
- 2.Sxc7#
- 2.Rxe7#
- 1...Sa3
- 2.Sf4#
- 2.Ra6#
- 2.Rxe7#
- 1...Sc3
- 2.Sf4#
- 2.Ra6#
- 2.Rxe7#
- 1...Sd4
- 2.Sf4#
- 2.Rxe7#
- 1...Sd6
- 2.Sf4#
- 2.Rxe7#
- 1...Sa7
- 2.Sf4#
- 2.Rxe7#
- 1...c3!
- 1...Sxc7
- 1.Rxb5?
- threat
- 2.Sf4#
- 1...Se2
- 2.Rb6#
- 2.Rxe7#
- 1...Sh5
- 2.Rb6#
- 2.Rxe7#
- 1...Ke5!
- threat
- 1.Se3?
- Keys
- 1.Sc3!
- 1...Ke5
- 2.Qe4#
- 1...Sxc3
- 2.Qg8#
- 1...Sxc7
- 2.Qg8#
- 1...Sf1
- 2.Rxe7#
- 1...Sh1
- 2.Rxe7#
- 1...Se2
- 2.Rxe7#
- 1...Se4
- 2.Rxe7#
- 1...Sf5
- 2.Qg8#
- 1...Sh5
- 2.Rxe7#
- 1...Sa3
- 2.Qg8#
- 1...Sd4
- 2.Qg8#
- 1...Sd6
- 2.Rxe7#
- 1...Sa7
- 2.Qg8#
- 1...Ke5
- 1.Sc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(a);SBLOCK::QAB(D)
- S(c);::S(C)
- Tries
- Try
- S(C);
- Vars
- K(d);N_SPINP(e),P-FLIGHT,P_SPINS(a)::QAR1(D)
- S(c);XP(E)::QAB(D)
- S(a);::QAB(D)
- S(c);::QAB(D)
- S(c);SBLOCK::R1(F),XP(f)
- Refutation
- P(b);
- Try
- B(A);XS(a)
- Refutation
- P(b);
- Try
- R(B);XS(c)
- Threat
- S(C)
- Refutation
- K(d);N_SPINP(e),P-FLIGHT,P_SPINS(a)
- Try
- Actual
- S(C);
- Vars
- K(d);N_SPINP(e),P-FLIGHT,P_SPINS(a)::QAR1(D)
- S(c);XS(C)::QAB(D)
- S(c);XP(E)::QAB(D)
- S(a);::R1(F),XP(f)
- S(a);SBLOCK::QAB(D)
- S(c);::QAB(D)
- S(c);SBLOCK::R1(F),XP(f)
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).