MESON Chess Problem Database
Problem Display
PID: 239647 (nR6/RB6/1p2r1pK/1kBP1pp1/1P5b/1P4NQ/r5P1/8 w - - 0 1)
Maleika, Gerhard
Buletin Problemistic, 2019
#2
11 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Ba6#
- 1...Rc2
- 2.Ba6#
- 1...Rd2
- 2.Ba6#
- 1...Rae2
- 2.Ba6#
- 1...Rf2
- 2.Ba6#
- 1...Rxg2
- 2.Ba6#
- 1...Ra6
- 2.Bxa6#
- 1...Re1
- 2.Bc6#
- 1...Ree2
- 2.Bc6#
- 1...Re3
- 2.Bc6#
- 1...Re4
- 2.Bc6#
- 1...Re5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Re7
- 2.Bc6#
- 1...Re8
- 2.Bc6#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Rb2
- Tries
- 1.Sf1?
- threat
- 2.Qd3#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Rc2
- 2.Ba6#
- 1...Rd2
- 2.Ba6#
- 1...Re3
- 2.Bc6#
- 1...Re4
- 2.Bc6#
- 1...Bg3!
- threat
- 1.Sh1?
- threat
- 2.Qd3#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Rc2
- 2.Ba6#
- 1...Rd2
- 2.Ba6#
- 1...Re3
- 2.Bc6#
- 1...Re4
- 2.Bc6#
- 1...Bg3!
- threat
- 1.Se4?
- threat
- 2.Sc3#
- 2.Qd3#
- 1...Rxe4
- 2.Bc6#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Bg3
- 2.Sc3#
- 1...Rc2
- 2.Ba6#
- 1...Rd2
- 2.Sc3#
- 2.Ba6#
- 1...Be1
- 2.Qd3#
- 1...fxe4!
- threat
- 1.Sxf5?
- threat
- 2.Sd4#
- 2.Qd3#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Bg3
- 2.Sd4#
- 1...Rc2
- 2.Sd4#
- 2.Ba6#
- 1...Rd2
- 2.Ba6#
- 1...Re3
- 2.Sd4#
- 2.Sd6#
- 2.Bc6#
- 1...Re4
- 2.Sd6#
- 2.Bc6#
- 1...Bf2
- 2.Qd3#
- 1...gxf5+!
- threat
- 1.Qxf5?
- threat
- 2.Qd3#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Rc2
- 2.Ba6#
- 1...Rd2
- 2.Ba6#
- 1...Re3
- 2.Bc6#
- 2.Qd7#
- 1...Re4
- 2.Bc6#
- 2.Qd7#
- 1...gxf5+!
- threat
- 1.Sf1?
- Keys
- 1.Se2!
- threat
- 2.Sc3#
- 2.Sd4#
- 2.Qd3#
- 1...Raxe2
- 2.Ba6#
- 2.Qd3#
- 1...Rexe2
- 2.Bc6#
- 2.Qd3#
- 1...bxc5
- 2.Ba6#
- 2.Bc6#
- 1...Bg3
- 2.Sc3#
- 2.Sd4#
- 1...Rc2
- 2.Sd4#
- 2.Ba6#
- 1...Rd2
- 2.Sc3#
- 2.Ba6#
- 1...Re3
- 2.Sd4#
- 2.Bc6#
- 1...Re4
- 2.Sc3#
- 2.Bc6#
- 1...Be1
- 2.Sd4#
- 2.Qd3#
- 1...Bf2
- 2.Sc3#
- 2.Qd3#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- R(a);N_GUARD::B(J)
- R(a);N_GUARD,XP(A)::B(J)
- R(a);N_GUARD::B(J),XR(a)
- R(g);N_GUARD::B(J)
- R(g);N_GUARD::B(J),XR(g)
- Tries
- Try
- S(C);
- Threat
- QAB(D)
- Vars
- R(a);N_GUARD::B(J)
- R(g);N_GUARD::B(J)
- Refutation
- B(b);
- Try
- S(C);
- Threat
- QAB(D)
- Vars
- R(a);N_GUARD::B(J)
- R(g);N_GUARD::B(J)
- Refutation
- B(b);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XS(C)::B(J)
- B(b);::S(C)
- R(a);N_GUARD::B(J)
- B(b);::QAB(D)
- Refutation
- P(d);XS(C)
- Try
- S(C);XP(d)
- Threat
- DUALS(2)
- Vars
- B(b);::S(C)
- R(a);N_GUARD::B(J)
- B(b);::QAB(D)
- Refutation
- P(h);CHECK,XS(C)
- Try
- Q(D);XP(d)
- Threat
- QAB(D)
- Vars
- R(a);N_GUARD::B(J)
- Refutation
- P(h);CHECK,XQ(D)
- Try
- Actual
- S(C);
- Threat
- DUALS(3)
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).