MESON Chess Problem Database
Problem Display
PID: 243490 (6Bq/K5p1/1p2R1P1/1pp2Q2/1PkN4/1pP1n2R/1P4n1/5bb1 w - - 0 1)
Buchwald, Julius
Arbejder-Skak, 1950
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxh3
- 2.Rxe3#
- 1...Qh4
- 2.Rexe3#
- 1...Qh5
- 2.Rexe3#
- 1...Qh6
- 2.Rexe3#
- 1...Sd5
- 2.Qxf1#
- 1...cxb4
- 2.Rc6#
- 2.Qxb5#
- 1...cxd4
- 2.Rc6#
- 1...Qxh3
- Tries
- 1.Sc2?
- threat
- 2.Sa3#
- 2.Qe4#
- 1...Sxc2
- 2.Re4#
- 1...Sxf5
- 2.Re4#
- 1...cxb4
- 2.Rc6#
- 1...Qh4
- 2.Sa3#
- 2.Rexe3#
- 1...Bd3
- 2.Sa3#
- 2.Re4#
- 1...Sd1
- 2.Sa3#
- 2.Re4#
- 1...Sg4
- 2.Sa3#
- 2.Re4#
- 1...Sd5
- 2.Sa3#
- 2.Qxf1#
- 1...bxc2!
- threat
- 1.Sxb3?
- threat
- 2.Sd2#
- 1...Sxf5
- 2.Re4#
- 1...Kxb3!
- threat
- 1.Sf3?
- threat
- 2.Sd2#
- 2.Qe4#
- 1...cxb4
- 2.Sd2#
- 2.Rc6#
- 1...Qh4
- 2.Sd2#
- 2.Rxe3#
- 1...Bd3
- 2.Sd2#
- 2.Re4#
- 1...Sd1
- 2.Sd2#
- 1...Sc2
- 2.Sd2#
- 1...Sg4
- 2.Sd2#
- 1...Sd5
- 2.Sd2#
- 2.Se5#
- 1...Sxf5!
- threat
- 1.Sc6?
- threat
- 2.Qe4#
- 1...Sxf5
- 2.Re4#
- 1...Qh4
- 2.Rexe3#
- 1...Bd3
- 2.Re4#
- 1...Sd1
- 2.Re4#
- 1...Sc2
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sd5
- 2.Se5#
- 2.Qxf1#
- 1...cxb4!
- threat
- 1.Rxh8?
- threat
- 2.Rxe3#
- 1...Sxf5
- 2.Re3#
- 1...Sd1
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd6#
- 2.Rf6#
- 2.Re7#
- 2.Re8#
- 1...Sc2
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd6#
- 2.Rf6#
- 2.Re7#
- 2.Re8#
- 1...Sg4
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd6#
- 2.Rf6#
- 2.Re7#
- 2.Re8#
- 1...Sd5
- 2.Qxf1#
- 1...Sf4!
- threat
- 1.Re5+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 1...Qxg8!
- 1...Sd5
- 1.Rxb6+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 2.Qxd5#
- 1...Qxg8!
- 1...Sd5
- 1.Rc6+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 2.Qxd5#
- 1...Qxg8!
- 1...Sd5
- 1.Rd6+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 2.Qxd5#
- 1...Qxg8!
- 1...Sd5
- 1.Rf6+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 2.Qxd5#
- 1...Qxg8!
- 1...Sd5
- 1.Re7+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 2.Qxd5#
- 1...Qxg8!
- 1...Sd5
- 1.Re8+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxf1#
- 2.Qxd5#
- 1...Qxg8!
- 1...Sd5
- 1.Sc2?
- Keys
- 1.Se2!
- threat
- 2.Qe4#
- 1...Sxf5
- 2.Re4#
- 1...cxb4
- 2.Rc6#
- 1...Qh4
- 2.Rexe3#
- 1...Sd1
- 2.Re4#
- 2.Qd3#
- 1...Sc2
- 2.Re4#
- 2.Qd3#
- 1...Sg4
- 2.Re4#
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(k);N_GUARD,XR(C)::B(J)+R(G),XS(e)
- Q(k);N_GUARD::B(J)+R(G),XS(e)
- S(e);N_GUARD,SBLOCK::QAB(F),XB(a)
- P(h);XS(E)::B(J)+R(G),DCHECK
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(e);XS(E)::B(J)+R(G),DCHECK
- S(e);XQ(F)::B(J)+R(G),DCHECK
- P(h);XP(D)::B(J)+R(G),DCHECK
- Refutation
- P(d);XS(E)
- Try
- S(E);XP(d)
- Threat
- S(E)
- Vars
- S(e);XQ(F)::B(J)+R(G),DCHECK
- Refutation
- K(f);S_FLIGHT,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(e);::S(E)
- Refutation
- S(e);XQ(F)
- Try
- S(E);
- Threat
- QAR2(F)
- Vars
- S(e);XQ(F)::B(J)+R(G),DCHECK
- Q(k);N_GUARD::B(J)+R(G),XS(e)
- B(a);SBLOCK::B(J)+R(G),DCHECK
- S(e);::B(J)+R(G),DCHECK
- Refutation
- P(h);XP(D)
- Try
- R(C);XQ(k)
- Threat
- B(J)+R(G),XS(e)
- Vars
- S(e);XQ(F)::B(J)+R(G)
- S(e);N_GUARD,SBLOCK::QAB(F),XB(a)
- Refutation
- S(c);
- Try
- R(G);CHECK
- Refutation
- Q(k);XB(J)
- Try
- R(G);CHECK,XP(i)
- Refutation
- Q(k);XB(J)
- Try
- R(G);CHECK,P_PINP(h)
- Refutation
- Q(k);XB(J)
- Try
- R(G);CHECK
- Refutation
- Q(k);XB(J)
- Try
- R(G);CHECK
- Refutation
- Q(k);XB(J)
- Try
- R(G);CHECK
- Refutation
- Q(k);XB(J)
- Try
- R(G);CHECK
- Refutation
- Q(k);XB(J)
- Try
- Actual
- S(E);
- Threat
- QAR2(F)
- Vars
- S(e);XQ(F)::B(J)+R(G),DCHECK
- P(h);XP(D)::B(J)+R(G),DCHECK
- Q(k);N_GUARD::B(J)+R(G),XS(e)
- S(e);::QAB1(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).