MESON Chess Problem Database
Problem Display
PID: 245339 (3r3q/N2R2B1/1P1bPr2/K1kb1P2/2p4R/3Bp3/8/3Q4 w - - 0 1)
Onkoud, Abdelaziz
Schach-Aktiv, 2008
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...e2
- 2.Qg1#
- 1...e2
- Tries
- 1.Bb1?
- threat
- 2.Qd4#
- 1...Be4
- 2.Qxd6#
- 1...Bf4
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Qxh4!
- threat
- 1.Bf1?
- threat
- 2.Qd4#
- 1...Be4
- 2.Qxd6#
- 1...Bf4
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Qxh4!
- threat
- 1.Bc2?
- threat
- 2.Qd4#
- 1...Be4
- 2.Qxd6#
- 1...Bf4
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Qxh4!
- threat
- 1.Be2?
- threat
- 2.Qd4#
- 1...Be4
- 2.Qxd6#
- 1...Bf4
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Qxh4!
- threat
- 1.Bxc4?
- threat
- 2.Qd4#
- 2.Qxd5#
- 1...Qxh4
- 2.Qxd5#
- 1...Rxf5
- 2.Qd4#
- 1...Bxc4
- 2.Qd4#
- 2.Qxd6#
- 1...Bxe6
- 2.Qd4#
- 2.Qxd6#
- 1...Bf4
- 2.Qxd5#
- 1...Bh1
- 2.Qd4#
- 2.Qxd6#
- 1...Bg2
- 2.Qd4#
- 2.Qxd6#
- 1...Bf3
- 2.Qd4#
- 2.Qxd6#
- 1...Bc6
- 2.Qd4#
- 2.Qxd6#
- 1...Bb7
- 2.Qd4#
- 2.Qxd6#
- 1...Ba8
- 2.Qd4#
- 2.Qxd6#
- 1...Be5
- 2.Qxd5#
- 1...Be4!
- threat
- 1.Bb1?
- Keys
- 1.Be4!
- threat
- 2.Qxd5#
- 1...Rxf5
- 2.Qd4#
- 1...Bxe4
- 2.Qxd6#
- 1...Bxe6
- 2.Qxd6#
- 1...Bc6
- 2.Qxd6#
- 1...Bb7
- 2.Qxd6#
- 1...Ba8
- 2.Qxd6#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- P(a);OGATEB::QAB(A)
- Tries
- Try
- B(B);
- Threat
- QAB1(A)
- Vars
- B(d);OGATE::QAB1(A),XB(e)
- B(e);::QAR1(A),XB(d)
- Refutation
- Q(h);XR(C)
- Try
- B(B);
- Threat
- QAB1(A)
- Vars
- B(d);OGATE::QAB1(A),XB(e)
- B(e);::QAR1(A),XB(d)
- Refutation
- Q(h);XR(C)
- Try
- B(B);
- Threat
- QAB1(A)
- Vars
- B(d);OGATE::QAB1(A),XB(e)
- B(e);::QAR1(A),XB(d)
- Refutation
- Q(h);XR(C)
- Try
- B(B);
- Threat
- QAB1(A)
- Vars
- B(d);OGATE::QAB1(A),XB(e)
- B(e);::QAR1(A),XB(d)
- Refutation
- Q(h);XR(C)
- Try
- B(B);XP(b)
- Threat
- DUALS(2)
- Vars
- Q(h);XR(C)::QAR1(A),XB(d)
- R(f);XP(E)::QAB1(A)
- B(e);::QAR1(A),XB(d)
- Refutation
- B(d);
- Try
- Actual
- B(B);
- Threat
- QAR1(A),XB(d)
- Vars
- R(f);XP(E)::QAB1(A)
- B(d);OGATE,XB(B)::QAB1(A),XB(e)
- B(d);OGATE,XP(G)::QAB1(A),XB(e)
- B(d);OGATE::QAB1(A),XB(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).