MESON Chess Problem Database
Problem Display
PID: 102832 (7q/6n1/1N4N1/1p2p3/2p1k1B1/8/1nK1PB2/Q6b w - - 0 1)
Bettmann, Jacob
Toronto Globe, 1881
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Qa8#
- 1...Qh3
- 2.Qa8#
- 1...Qh4
- 2.Qa8#
- 1...Qh5
- 2.Qa8#
- 1...Qh6
- 2.Qa8#
- 1...Qh7
- 2.Qa8#
- 1...Qa8
- 2.Qxh1#
- 2.Qxa8#
- 1...Qb8
- 2.Qxh1#
- 1...Qc8
- 2.Qxh1#
- 1...Qd8
- 2.Qxh1#
- 1...Qe8
- 2.Qxh1#
- 1...Qg8
- 2.Qxh1#
- 1...Bf3
- 2.exf3#
- 1...Sd1
- 2.Qxe5#
- 1...Sa4
- 2.Qxe5#
- 1...Sh5
- 2.Qxh1#
- 1...Se8
- 2.Qa8#
- 1...Qh2
- Tries
- 1.Kxb2?
- threat
- 2.Qb1#
- 1...Qh3
- 2.Qa8#
- 1...Qd8
- 2.Qxh1#
- 1...c3+!
- threat
- 1.Sd5?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Qh3
- 2.Sf6#
- 1...Qh4
- 2.Sc3#
- 1...Qd8
- 2.Sc3#
- 2.Qxh1#
- 1...Qf8
- 2.Sc3#
- 1...Sd1
- 2.Sf6#
- 2.Qxe5#
- 1...Sa4
- 2.Sf6#
- 2.Qxe5#
- 1...Sf5
- 2.Sc3#
- 1...Sh5
- 2.Sc3#
- 2.Qxh1#
- 1...Se6
- 2.Sc3#
- 1...Se8
- 2.Sc3#
- 1...c3
- 2.Sxc3#
- 2.Sf6#
- 1...b4
- 2.Sf6#
- 1...Kxd5!
- threat
- 1.Kxb2?
- Keys
- 1.Sc8!
- threat
- 2.Qa8#
- 1...Kd5
- 2.Qa8#
- 1...Qxc8
- 2.Qxh1#
- 1...Qd8
- 2.Qxh1#
- 1...Qe8
- 2.Qxh1#
- 1...Qg8
- 2.Qxh1#
- 1...Sa4
- 2.Qxe5#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(h);N_GUARD::QAB(A)
- Q(h);N_GUARD::QAB(A),XB(a)
- B(a);OGATE::P(C),XB(a)
- S(b);OGATE::QAR1(A),XP(f)
- S(g);S_CUTQ(h)::QAB(A),XB(a)
- S(g);S_CUTQ(h)::QAB(A)
- Tries
- Try
- K(B);P-FLIGHT,XS(b)
- Threat
- QAB(A)
- Vars
- Q(h);N_GUARD::QAB(A)
- Q(h);N_GUARD::QAB(A),XB(a)
- Refutation
- P(c);CHECK
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(h);::S(F)
- S(g);::S(F)
- P(e);::S(F)
- Refutation
- K(d);S_FLIGHT,XS(F)
- Try
- Actual
- S(F);
- Threat
- QAB(A)
- Vars
- K(d);S_FLIGHT::QAB(A)
- Q(h);N_GUARD,XS(F)::QAB(A),XB(a)
- Q(h);N_GUARD::QAB(A),XB(a)
- S(b);OGATE::QAR1(A),XP(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).