MESON Chess Problem Database
Problem Display
PID: 106174 (2K5/BQ1ppN1B/p7/3N1r2/P1kP1n1R/P3R1P1/2rP4/2n5 w - - 0 1)
Buchwald, Julius
Praca, 1949
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Rc3#
- 1...Rb2
- 2.Rc3#
- 1...Rxd2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rxd5
- 2.Qb4#
- 1...Re5
- 2.Sxe5#
- 1...Rf6
- 2.Se5#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...Sfe2
- 2.Sb6#
- 1...Sg2
- 2.Sb6#
- 1...Sh3
- 2.Sb6#
- 1...Sxd5
- 2.Qxa6#
- 1...Sh5
- 2.Sb6#
- 1...Se6
- 2.Sb6#
- 1...Sg6
- 2.Sb6#
- 1...a5
- 2.Qb5#
- 1...d6
- 2.Qc6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Ra2
- Tries
- 1.Sxe7?
- threat
- 2.Sd6#
- 2.Qb4#
- 1...Rxf7
- 2.Qxa6#
- 2.Qb4#
- 2.Qc7#
- 1...Rb5
- 2.Sd6#
- 1...Rb2
- 2.Sd6#
- 2.Rc3#
- 1...Rd5
- 2.Qb4#
- 1...Rf6
- 2.Se5#
- 2.Qb4#
- 1...Sa2
- 2.Sd6#
- 2.Qb3#
- 1...Scd3
- 2.Sd6#
- 1...Sfd3
- 2.Sd6#
- 1...Sd5
- 2.Sd6#
- 2.Qxa6#
- 1...a5
- 2.Sd6#
- 1...d6
- 2.Sxd6#
- 2.Qb4#
- 1...Rc5+!
- threat
- 1.Rxf4?
- threat
- 2.Sb6#
- 1...Rxf4
- 2.Se5#
- 1...Rxd5
- 2.Qb4#
- 1...Rb2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rf6
- 2.Se5#
- 1...Sd3!
- threat
- 1.Sxe7?
- Keys
- 1.Rf3!
- 1...Rxd2
- 2.Rc3#
- 1...Rxd5
- 2.Qb4#
- 1...Rxf7
- 2.Se3#
- 1...Sxd5
- 2.Qxa6#
- 1...Scd3
- 2.Se3#
- 1...Ra2
- 2.Rc3#
- 1...Rb2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Re5
- 2.Sxe5#
- 1...Rg5
- 2.Se3#
- 1...Rh5
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 2.Se5#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...Sfe2
- 2.Sb6#
- 1...Sg2
- 2.Sb6#
- 1...Sfd3
- 2.Se3#
- 1...Sh3
- 2.Sb6#
- 1...Sh5
- 2.Sb6#
- 1...Se6
- 2.Sb6#
- 1...Sg6
- 2.Sb6#
- 1...a5
- 2.Qb5#
- 1...d6
- 2.Qc6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Rxd2
- 1.Rf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD,XP(A)::R1(C)
- R(b);N_GUARD::R1(C),XR(b)
- R(e);SBLOCK,XS(H)::QAR1(J)
- R(e);N_GUARD::S(K),XR(e)
- R(e);N_GUARD::S(K)
- S(a);N_GUARD::QAB1(J)
- S(a);N_GUARD::QAB1(J),XS(a)
- S(d);::S(H)
- S(d);SBLOCK,XS(H)::QAB(J),XP(f)
- P(f);N_GUARD::QAB1(J)
- P(g);N_GUARD::QAR2(J)
- P(h);N_GUARD::S(K)
- Tries
- Try
- S(H);XP(h)
- Threat
- DUALS(2)
- Vars
- R(e);::S(K)
- R(e);::QAR1(J)
- S(a);::S(K)
- S(d);::S(K)
- P(f);::S(K)
- Refutation
- R(e);CHECK
- Try
- R(G);XS(d)
- Threat
- S(H)
- Vars
- R(e);N_GUARD,XR(G)::S(K)
- R(e);SBLOCK,XS(H)::QAR1(J)
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD::R1(C),XR(b)
- R(e);N_GUARD::S(K)
- Refutation
- S(a);
- Try
- Actual
- R(C);
- Vars
- R(b);N_GUARD,XP(A)::R1(C)
- R(e);SBLOCK,XS(H)::QAR1(J)
- R(e);XS(K)::S(H)
- S(d);SBLOCK,XS(H)::QAB(J),XP(f)
- S(a);SBLOCK::S(H)
- R(b);N_GUARD::R1(C)
- R(b);N_GUARD::R1(C),XR(b)
- R(e);N_GUARD::S(K),XR(e)
- R(e);::S(H)
- S(a);N_GUARD::QAB1(J)
- S(a);N_GUARD::QAB1(J),XS(a)
- S(d);::S(H)
- S(d);SBLOCK::S(H)
- P(f);N_GUARD::QAB1(J)
- P(g);N_GUARD::QAR2(J)
- P(h);N_GUARD::S(K)
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).