MESON Chess Problem Database
Problem Display
PID: 93894 (7K/3p4/1PRb2B1/n2kp3/3p4/1p3P2/8/4Q2b w - - 0 1)
Tot, Otakar
Ceske listy sachove, 1897
#2
6 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Be4#
- 2.Qe4#
- 1...Bb4
- 2.Be4#
- 2.Qe4#
- 1...Bc7
- 2.Be4#
- 2.Qe4#
- 1...Be7
- 2.Be4#
- 2.Qe4#
- 1...Bb8
- 2.Be4#
- 2.Qe4#
- 1...Bf8
- 2.Be4#
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Ba3
- Tries
- 1.Qxa5+?
- 1...Kxc6
- 2.Be4#
- 1...Bc5
- 2.Qxc5#
- 1...Ke6!
- 1...Kxc6
- 1.Qxa5+?
- Keys
- 1.Qb4!
- threat
- 2.Rxd6#
- 2.Qxd6#
- 1...Kxc6
- 2.Be4#
- 1...Ke6
- 2.Qxd6#
- 1...Bxb4
- 2.Be4#
- 1...Sxc6
- 2.Bf7#
- 1...dxc6
- 2.Bf7#
- 1...e4
- 2.Qxd6#
- 1...Bc5
- 2.Be4#
- 2.Qxc5#
- 1...Bc7
- 2.Be4#
- 2.Qc5#
- 2.Qb5#
- 1...Be7
- 2.Be4#
- 1...Bb8
- 2.Be4#
- 2.Qc5#
- 2.Qb5#
- 1...Bf8
- 2.Be4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Qc4#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- P(f);::QAB1(A),XP(f)
- Tries
- Try
- Q(A);CHECK,XS(d)
- Vars
- K(e);S_FLIGHT,XR(D)::B(E)
- B(g);N_GUARD,P_SPINB(g)::QAR1(A),XB(g)
- Refutation
- K(e);P_SPINB(g),S_FLIGHT
- Try
- Actual
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT,XR(D)::B(E)
- K(e);P_SPINB(g),S_FLIGHT::QAR1(A),XB(g)
- B(g);XQ(A)::B(E)
- S(d);SBLOCK,XR(D)::B(E)
- P(h);SBLOCK,XR(D)::B(E)
- P(f);::QAR1(A),XB(g)
- B(g);::B(E)
- S(d);N_GUARD::QAB1(A),XS(d)
- S(d);N_GUARD::QAB1(A)
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).