MESON Chess Problem Database
Problem Display
PID: 205729 (5n2/pQ6/Kb1B1p2/p2p2N1/P1Pkb3/5p2/B1PP1P2/8 w - - 0 1)
Henke, Walter
Arbeiter Schach Internationale, 1925
#2
10 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.Qxd5#
- 1...Bd3
- 2.Qxd5#
- 2.c3#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Bc5
- 2.Qb2#
- 1...Bc7
- 2.Qb2#
- 1...Bd8
- 2.Qb2#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...dxc4
- 2.Qxe4#
- 1...fxg5
- 2.Qg7#
- 1...f5
- 2.Qg7#
- 1...Bxc2
- Tries
- 1.Sxe4?
- threat
- 2.Qxd5#
- 1...Kxe4
- 2.Qxd5#
- 1...dxe4
- 2.Qd5#
- 1...dxc4!
- threat
- 1.Bxf8?
- 1...Bxc2
- 2.Qxd5#
- 1...dxc4
- 2.Qxe4#
- 1...fxg5
- 2.Qg7#
- 1...Bd3
- 2.Qxd5#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Bc5
- 2.Qb2#
- 1...Bc7
- 2.Qb2#
- 1...Bd8
- 2.Qb2#
- 1...f5
- 2.Qg7#
- 1...Ke5!
- 1...Bxc2
- 1.Qf7?
- threat
- 2.Qxf6#
- 1...Bxc2
- 2.Qxd5#
- 1...dxc4
- 2.Qxc4#
- 1...fxg5
- 2.Qf6#
- 2.Qg7#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...f5
- 2.Qf6#
- 2.Qg7#
- 1...Bd8!
- threat
- 1.c5?
- 1...Bxc2
- 2.Qxd5#
- 1...Bxc5
- 2.Qb2#
- 1...fxg5
- 2.Qg7#
- 1...Bf5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bh7
- 2.Qxd5#
- 1...Bc7
- 2.Qb2#
- 1...Bd8
- 2.Qb2#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...f5
- 2.Qg7#
- 1...Bd3+!
- 1...Bxc2
- 1.Sxe4?
- Keys
- 1.Qe7!
- threat
- 2.Qxf6#
- 1...Bxc2
- 2.Qe3#
- 1...dxc4
- 2.Qxe4#
- 1...fxg5
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Bd8
- 2.Bc5#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...f5
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- B(c);N_GUARD,XP(B)::QAR1(J),XP(e)
- B(c);N_GUARD::QAR1(J),XP(e)
- B(f);OGATE::QAB(J)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- P(e);OGATE,XP(F)::QAR1(J),XB(c)
- P(g);OGATEB,XS(G)::QAB(J)
- P(g);OGATEB::QAB(J)
- Tries
- Try
- S(G);XB(c)
- Threat
- QAR1(J),XP(e)
- Vars
- K(b);P-FLIGHT,P_SPINP(e),XS(G)::QAB1(J),XP(e)
- P(e);XS(G)::QAR1(J)
- Refutation
- P(e);XP(F)
- Try
- B(I);XS(i)
- Vars
- B(c);N_GUARD,XP(B)::QAR1(J),XP(e)
- P(e);OGATE,XP(F)::QAR1(J),XB(c)
- P(g);OGATEB,XS(G)::QAB(J)
- B(c);N_GUARD,P_PINP(F)::QAR1(J),XP(e)
- B(c);N_GUARD::QAR1(J),XP(e)
- B(f);OGATE::QAB(J)
- P(g);OGATEB::QAB(J)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(J);
- Threat
- QAB(J),XP(g)
- Vars
- B(c);N_GUARD,XP(B)::QAR1(J),XP(e)
- P(e);OGATE,XP(F)::QAR1(J),XP(e)
- S(i);N_GUARD::S(G)
- Refutation
- B(f);
- Try
- P(F);
- Vars
- B(c);N_GUARD,XP(B)::QAR1(J),XP(e)
- B(f);OGATE,XP(F)::QAB(J)
- P(g);OGATEB,XS(G)::QAB(J)
- B(c);N_GUARD::QAR1(J),XP(e)
- B(f);OGATE::QAB(J)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- P(g);OGATEB::QAB(J)
- Refutation
- B(c);CHECK
- Try
- Actual
- Q(J);
- Threat
- QAB(J),XP(g)
- Vars
- B(c);OGATE,XP(B)::QAB1(J)
- P(e);N_GUARD,XP(F)::QAR1(J),XB(c)
- B(f);N_GUARD::B(I)
- S(i);N_GUARD::S(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).