MESON Chess Problem Database
Problem Display
PID: 221614 (K3B3/7p/1p1Q2pN/2p1N2p/1Pp1pp2/4k3/3R4/8 w - - 0 1)
Bylevski, Aleksandr
Sachova skladba, 1987
#2
7 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...f3
- 2.Sxc4#
- 1...cxb4
- 2.Qd4#
- 1...h4
- 2.Shg4#
- 1...g5
- 2.Sf5#
- 1...f3
- Tries
- 1.Sxg6?
- threat
- 2.Qxf4#
- 1...Kf3
- 2.Qxf4#
- 1...f3
- 2.Sf5#
- 2.Qf4#
- 1...hxg6!
- threat
- 1.Bxg6?
- threat
- 2.Sf5#
- 1...f3
- 2.Sxc4#
- 1...hxg6!
- threat
- 1.bxc5?
- threat
- 2.Qd4#
- 1...f3
- 2.Sxc4#
- 1...bxc5!
- threat
- 1.b5?
- 1...f3
- 2.Sxc4#
- 1...h4
- 2.Shg4#
- 1...g5
- 2.Sf5#
- 1...c3!
- 1...f3
- 1.Sxg6?
- Keys
- 1.Bb5!
- 1...cxb4
- 2.Qd4#
- 1...f3
- 2.Sxc4#
- 1...c3
- 2.Re2#
- 1...h4
- 2.Shg4#
- 1...g5
- 2.Sf5#
- 1...cxb4
- 1.Bb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(d);SBLOCK::S(C),XP(b)
- P(e);N_GUARD,XP(B)::QAB1(D)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
- Tries
- Try
- S(C);XP(h)
- Threat
- QAB1(D),XP(d)
- Vars
- K(a);P-FLIGHT::QAR1(D),XP(d)
- Refutation
- P(i);XS(C)
- Try
- B(G);XP(h)
- Threat
- S(E)
- Vars
- P(d);SBLOCK::S(C),XP(b)
- Refutation
- P(i);XB(G)
- Try
- P(B);XP(e)
- Threat
- QAB1(D)
- Vars
- P(d);SBLOCK::S(C),XP(b)
- Refutation
- P(g);XP(B)
- Try
- P(B);
- Vars
- P(d);SBLOCK::S(C),XP(b)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
- Refutation
- P(b);
- Try
- Actual
- B(G);
- Vars
- P(e);N_GUARD,XP(B)::QAB1(D)
- P(d);SBLOCK::S(C),XP(b)
- P(b);::R1(A)
- P(f);N_GUARD::S(E)
- P(h);N_GUARD::S(E)
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).