MESON Chess Problem Database
Problem Display
PID: 235547 (5Q2/3p4/8/Bp1N4/8/6R1/2K1kp1n/8 w - - 0 1)
Goldschmeding, Cornelis
Shakhmaty v SSSR, 1965
#2
5 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Sf4#
- 2.Qf3#
- 1...f1Q
- 2.Re3#
- 1...f1S
- 2.Rg2#
- 1...f1B
- 2.Re3#
- 1...f1R
- 2.Re3#
- 1...Sf1
- Tries
- 1.Qa3?
- threat
- 2.Qd3#
- 1...Kf1
- 2.Qd3#
- 1...f1Q
- 2.Qe3#
- 1...f1S
- 2.Rg2#
- 1...f1B
- 2.Qe3#
- 1...f1R
- 2.Qe3#
- 1...b4!
- threat
- 1.Qc5?
- threat
- 2.Qxb5#
- 1...Kf1
- 2.Qxb5#
- 1...f1Q
- 2.Qe3#
- 1...f1S
- 2.Sf4#
- 1...f1B
- 2.Sf4#
- 2.Qe3#
- 1...f1R
- 2.Qe3#
- 1...b4!
- threat
- 1.Qf3+?
- 1...Kf1
- 2.Se3#
- 2.Qd1#
- 2.Qd3#
- 1...Sxf3!
- 1...Kf1
- 1.Qf5?
- threat
- 2.Qd3#
- 1...Kf1
- 2.Qd3#
- 1...f1Q
- 2.Re3#
- 1...f1S
- 2.Rg2#
- 1...f1B
- 2.Re3#
- 1...f1R
- 2.Re3#
- 1...b4!
- threat
- 1.Qa3?
- Keys
- 1.Qb4!
- threat
- 2.Qxb5#
- 1...Kf1
- 2.Qxb5#
- 1...f1Q
- 2.Qd2#
- 1...f1S
- 2.Qe1#
- 1...f1B
- 2.Qe1#
- 2.Qd2#
- 1...f1R
- 2.Qd2#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- P(b);::R1(B)
- P(b);OGATEB::R(B)
- Tries
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- K(a);S_FLIGHT::QAB(E)
- P(b);SBLOCK::QAR1(E)
- P(b);OGATEB,SBLOCK::R(B)
- Refutation
- P(d);
- Try
- Q(E);
- Threat
- QAB(E),XP(d)
- Vars
- K(a);S_FLIGHT::QAB(E),XP(d)
- P(b);SBLOCK::QAR1(E)
- P(b);SBLOCK::S(D)
- Refutation
- P(d);
- Try
- Q(E);CHECK
- Refutation
- S(c);XQ(E)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- K(a);P_SPINP(b),S_FLIGHT::QAB(E)
- P(b);::R1(B)
- P(b);OGATEB::R(B)
- Refutation
- P(d);
- Try
- Actual
- Q(E);
- Threat
- QAB(E),XP(d)
- Vars
- K(a);S_FLIGHT::QAB(E),XP(d)
- P(b);SBLOCK::QAR1(E)
- P(b);N_GUARD::QAR1(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).