MESON Chess Problem Database
Problem Display
PID: 6713 (b6B/r5R1/2nrB3/2p2p2/p2k1p2/1p1P4/2PP1NQ1/b6K w - - 0 1)
Mansfield, Comins
5th HM., BCF 013. Ty., 1933-1934
#2
9 + 11
| 3550 | Complete Mansfield/II | 1997 |
| 14869 | British Championship Solving Ty. | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Re7#
- 1...Rd5
- 2.Qxd5#
- 1...Rxe6
- 2.Rd7#
- 1...Rdd7
- 2.Rxd7#
- 1...Rd8
- 2.Rd7#
- 1...Sb4
- 2.Rxa7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Sa5
- 2.Rxa7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Se7
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rxe7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Sb8
- 2.Rxa7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Sd8
- 2.Rxa7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...f3
- 2.Rg4#
- 1...Ke5
- Tries
- 1.Qxc6?
- threat
- 2.Rxa7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Ke5
- 2.Re7#
- 1...Rxe6
- 2.Rd7#
- 1...Rxg7
- 2.Bxg7#
- 1...Rd5
- 2.Rd7#
- 1...Rdd7
- 2.Rxd7#
- 2.Re7#
- 2.Rf7#
- 1...Rd8
- 2.Rd7#
- 1...Ra5
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Ra6
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Rb7
- 2.Rxb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Qxd6#
- 1...Rc7
- 2.Rxc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Rad7
- 2.Rxd7#
- 2.Re7#
- 2.Rf7#
- 1...Re7
- 2.Rxe7#
- 2.Rf7#
- 1...Rf7
- 2.Rxf7#
- 1...Bb7
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rxb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bxc6+!
- threat
- 1.c3+?
- 1...Ke5
- 2.Re7#
- 1...Bxc3!
- 1...Ke5
- 1.Qxc6?
- Keys
- 1.Qg1!
- threat
- 2.Sg4#
- 1...Sb4+
- 2.Rb7#
- 1...Sa5+
- 2.Rb7#
- 1...Se5+
- 2.Se4#
- 1...Se7+
- 2.Rg2#
- 1...Sb8+
- 2.Rb7#
- 1...Sd8+
- 2.Rb7#
- 1...Ke5
- 2.Re7#
- 1...Rxe6
- 2.Rd7#
- 1...bxc2
- 2.Qxa1#
- 1...f3
- 2.Rg4#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- K(d);S_FLIGHT::B(I)+R(H)
- R(i);N_GUARD::QAR1(E),XR(i)
- R(i);XB(G)::B(I)+R(H),DCHECK
- R(i);::B(I)+R(H),DCHECK,XR(i)
- R(i);::B(I)+R(H),DCHECK
- P(e);::B(I)+R(H),DCHECK
- Tries
- Try
- Q(E);P_SPINQ(E),XS(h)
- Threat
- DUALS(6)
- Vars
- K(d);S_FLIGHT::B(I)+R(H)
- R(i);XB(G)::B(I)+R(H),DCHECK
- R(j);OGATE,P_SPINR(j),XR(H)::B(I),XR(j)
- R(i);N_PINQ(E)::B(I)+R(H)
- R(i);::B(I)+R(H),DCHECK
- R(j);::B(I)+R(H),XR(j)
- Refutation
- B(k);CHECK,XQ(E)
- Try
- P(B);CHECK
- Vars
- K(d);S_FLIGHT::B(I)+R(H)
- Refutation
- B(a);XP(B)
- Try
- Actual
- Q(E);
- Threat
- QAB(E)+S(D)
- Vars
- S(h);CHECK,N_GUARD::B(I)+R(H)
- S(h);CHECK,SBLOCK::QAB(E)+S(D)
- S(h);CHECK,N_GUARD,S_CUTR(j)::B(I)+R(H)
- K(d);S_FLIGHT::B(I)+R(H)
- R(i);XB(G)::B(I)+R(H),DCHECK
- P(b);N_GUARD,XP(B)::QAB(E),XB(a)
- P(e);::B(I)+R(H),DCHECK
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).