MESON Chess Problem Database
Problem Display
PID: 655 (n1rbb3/P1knpR2/1q1R2QK/B6p/8/8/6B1/7r w - - 0 1)
Mansfield, Comins
British Chess Magazine, 1918
#2
7 + 10
| 3360 | Simple Two-move Themes | 1924 |
| 4797 | A Genius of the Two-mover | 1936 |
| 3202 | Complete Mansfield/I | 1996 |
| 136 | Problem Observer | 2001 |
| 136 | Problem Observer | 2006 |
| 3713 | Snap | 2009 |
SOLUTION
- SOUND
- Sets
- 1...exd6
- 2.Qc2#
- 1...exd6
- Tries
- 1.Rd2?
- threat
- 2.Qc6#
- 1...Sc5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sf6
- 2.Qg3#
- 1...Sb8
- 2.Qd6#
- 1...Sf8
- 2.Qd6#
- 1...e6
- 2.Qc2#
- 1...Rc1!
- threat
- 1.Rd4?
- threat
- 2.Qc6#
- 1...Sc5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sf6
- 2.Qg3#
- 1...Sb8
- 2.Qd6#
- 1...Sf8
- 2.Qd6#
- 1...e6
- 2.Qc2#
- 1...Rc1!
- threat
- 1.Rd2?
- Keys
- 1.Rd1!
- threat
- 2.Qc6#
- 1...Sc5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sf6
- 2.Qg3#
- 1...Sb8
- 2.Qd6#
- 1...Sf8
- 2.Qd6#
- 1...e6
- 2.Qc2#
- threat
- 1.Rd1!
This anticipates 80770(1919)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- P(f);P_SPINS(e),SBLOCK,XR(C)::QAR(D)
- Tries
- Try
- R(C);P_SPINQ(D)
- Threat
- QAR1(D)
- Vars
- S(e);P_SPINP(f)::QAB1(D)
- S(e);N_PINQ(D),P_SPINP(f)::QAB(D)
- P(f);N_PINQ(D),P_SPINS(e)::QAR(D)
- Refutation
- R(a);
- Try
- R(C);P_SPINQ(D)
- Threat
- QAR1(D)
- Vars
- S(e);P_SPINP(f)::QAB1(D)
- S(e);N_PINQ(D),P_SPINP(f)::QAB(D)
- P(f);N_PINQ(D),P_SPINS(e)::QAR(D)
- Refutation
- R(a);
- Try
- Actual
- R(C);P_SPINQ(D)
- Threat
- QAR1(D)
- Vars
- S(e);P_SPINP(f)::QAB1(D)
- S(e);N_PINQ(D),P_SPINP(f)::QAB(D)
- P(f);N_PINQ(D),P_SPINS(e)::QAR(D)
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).