MESON Chess Problem Database
Problem Display
PID: 173688 (3N1brB/5bn1/R2p2B1/2Pk4/3P1R2/pP6/rn2P1K1/Q7 w - - 0 1)
Boros, Sandor
2nd HM., Sacha Maksla, 1938
#2
11 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Be4#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Sf5
- 2.e4#
- 1...Sh5
- 2.e4#
- 1...Se6
- 2.e4#
- 1...Se8
- 2.e4#
- 1...Sd1
- Tries
- 1.Ra5?
- threat
- 2.c6#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se6
- 2.e4#
- 1...dxc5!
- threat
- 1.Qg1?
- threat
- 2.Be4#
- 2.e4#
- 1...Sd1
- 2.Be4#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Sf5
- 2.e4#
- 1...Sh5
- 2.e4#
- 1...Se6
- 2.e4#
- 1...Se8
- 2.e4#
- 1...Bxg6!
- threat
- 1.Ra5?
- Keys
- 1.c6!
- threat
- 2.Ra5#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Sc4
- 2.Be4#
- 1...Se6
- 2.e4#
- threat
- 1.c6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- S(b);P_PINP(B)::B(I)
- S(g);P_PINB(I)::P(B)
- Tries
- Try
- R(H);
- Threat
- R(H)+P(G)
- Vars
- S(b);P_PINP(B)::B(I)
- S(g);P_PINB(I)::P(B)
- Refutation
- P(e);P_SPINP(e),XP(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(b);P_PINP(B)::B(I)
- S(g);P_PINB(I)::P(B)
- Refutation
- B(f);XB(I)
- Try
- Actual
- P(G);
- Threat
- R(H)
- Vars
- S(b);P_PINP(B)::B(I)
- S(g);P_PINB(I)::P(B)
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).