MESON Chess Problem Database
Problem Display
PID: 82419 (bb1r4/1n1p2p1/6p1/r3Q2p/p2N2kB/4p1PN/3n2B1/7K w - - 0 1)
Ahues, Herbert Siegfried Oskar
2nd HM., L'Italia Scacchistica, 2005
#2
7 + 13
| 35 | L'Italia Scacchistica | 2006 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qg5#
- 1...Ra7
- 2.Qg5#
- 1...Ba7
- 2.Qf4#
- 1...Sc5
- 2.Qg5#
- 1...Sd6
- 2.Qf4#
- 1...e2
- 2.Sf2#
- 1...d5
- 2.Qg5#
- 2.Qe6#
- 1...d6
- 2.Qf4#
- 1...Ra6
- Tries
- 1.Sf4?
- threat
- 2.Bh3#
- 1...Sc5
- 2.Qg5#
- 1...Sd6!
- threat
- 1.Sg5?
- threat
- 2.Bh3#
- 1...Sd6
- 2.Qf4#
- 1...Sc5!
- threat
- 1.Qe4+?
- 1...Bf4
- 2.Qxf4#
- 1...Sxe4!
- 1...Bf4
- 1.Sf4?
- Keys
- 1.Sg1!
- threat
- 2.Bh3#
- 1...Sc5
- 2.Qg5#
- 1...Sd6
- 2.Qf4#
- threat
- 1.Sg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(e);N_GUARD::QAR1(G)
- B(l);N_GUARD::QAR1(G)
- S(h);P_PINB(B),S_CUTR(e)::QAR1(G)
- S(h);P_PINB(B),S_CUTB(l)::QAR1(G)
- P(b);N_GUARD::S(D)
- P(i);S_CUTB(l)::QAR1(G)
- Tries
- Try
- S(D);
- Threat
- B(B)
- Vars
- S(h);P_PINB(B),S_CUTR(e)::QAR1(G)
- Refutation
- S(h);P_PINB(B)
- Try
- S(D);
- Threat
- B(B)
- Vars
- S(h);P_PINB(B),S_CUTB(l)::QAR1(G)
- Refutation
- S(h);P_PINB(B)
- Try
- Q(G);CHECK
- Vars
- B(l);N_GUARD,P_SPINB(l)::QAR1(G),XB(l)
- Refutation
- S(a);XQ(G)
- Try
- Actual
- S(D);
- Threat
- B(B)
- Vars
- S(h);P_PINB(B),S_CUTR(e)::QAR1(G)
- S(h);P_PINB(B),S_CUTB(l)::QAR1(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).