MESON Chess Problem Database
Problem Display
PID: 159995 (2N1K3/6N1/QrPB1p2/3k1B1R/2Rb4/2p1p2p/8/3r3q w - - 0 1)
Schonholzer, Andreas
1st HM.=, Spisska Borovicka, 2007
#2
9 + 9
| 15527 | schachkunst (1997-2010) (Hoffmann) | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qe4+
- 2.Be6#
- 1...Rxc6
- 2.Qxc6#
- 1...Bc5
- 2.Be4#
- 1...Be5
- 2.Be6#
- 1...Qe4+
- Tries
- 1.Bg6+?
- 1...Be5
- 2.Bf7#
- 1...f5!
- 1...Be5
- 1.Bh7+?
- 1...Be5
- 2.Bg8#
- 1...f5!
- 1...Be5
- 1.Qb5+?
- 1...Bc5
- 2.Be4#
- 2.Be6#
- 2.Qxc5#
- 1...Rxb5!
- 1...Bc5
- 1.Qa2?
- threat
- 2.Rc5#
- 1...Qe4+
- 2.Be6#
- 1...Bc5
- 2.Be4#
- 1...Be5
- 2.Be6#
- 1...Rb3!
- threat
- 1.Bg6+?
- Keys
- 1.Rh4!
- threat
- 2.Be6#
- 1...Qe4+
- 2.Bxe4#
- 1...Bc5
- 2.Rxc5#
- threat
- 1.Rh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(b);CHECK,SBLOCK::R(C)+B(B),DCHECK
- R(h);OGATE,XP(E)::QAB1(D),XR(h)
- B(f);::R(C)+B(B),DCHECK
- B(f);::B(B)
- Tries
- Try
- B(B);CHECK
- Vars
- B(f);P_SPINB(f)::B(B)
- Refutation
- P(i);P_SPINP(i)
- Try
- B(B);CHECK
- Vars
- B(f);P_SPINB(f)::B(B)
- Refutation
- P(i);P_SPINP(i)
- Try
- Q(D);CHECK
- Refutation
- R(h);XQ(D)
- Try
- Q(D);
- Threat
- QAB(D)+R(A),DCHECK
- Vars
- Q(b);CHECK,SBLOCK::R(C)+B(B),DCHECK
- B(f);::R(C)+B(B),DCHECK
- B(f);::B(B)
- Refutation
- R(h);
- Try
- Actual
- R(C);
- Threat
- B(B)
- Vars
- Q(b);CHECK,N_GUARD::B(B),XQ(b)
- B(f);N_GUARD::R1(A),XB(f)
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).