MESON Chess Problem Database
Problem Display
PID: 33005 (5N2/1p5n/q5bB/4R1pp/3Ppk2/6NK/5Pp1/3B2R1 w - - 0 1)
Pierce, William Timbrell
The Chess Player's Chronicle (Sampson), 1872
#2
9 + 9
| 3501 | Chess Problems by Pierces | 1873 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Se6#
- 2.Sxg6#
- 1...Qd3
- 2.Se6#
- 2.Sxg6#
- 1...Qc4
- 2.Sxg6#
- 1...Qb5
- 2.Se6#
- 2.Sxg6#
- 1...Qa1
- 2.Se6#
- 2.Sxg6#
- 1...Qa2
- 2.Sxg6#
- 1...Qa3
- 2.Se6#
- 2.Sxg6#
- 1...Qa4
- 2.Se6#
- 2.Sxg6#
- 1...Qa5
- 2.Se6#
- 2.Sxg6#
- 1...Qe6+
- 2.Sxe6#
- 1...Qa7
- 2.Se6#
- 2.Sxg6#
- 1...Qa8
- 2.Se6#
- 2.Sxg6#
- 1...Bf5+
- 2.Rxf5#
- 1...Bf7
- 2.Rxe4#
- 2.Rf5#
- 1...Be8
- 2.Rxe4#
- 2.Rf5#
- 1...Sf6
- 2.Sxg6#
- 2.Bxg5#
- 1...Sxf8
- 2.Bxg5#
- 1...e3
- 2.fxe3#
- 1...b6
- 2.Se6#
- 2.Sxg6#
- 1...Qf1
- Tries
- 1.Rxg5?
- threat
- 2.Rg4#
- 2.Rf5#
- 1...Bf5+
- 2.Rg4#
- 2.Rxf5#
- 1...Qe2
- 2.Rf5#
- 1...Sxg5+!
- threat
- 1.Rxg5?
- Keys
- 1.Bxh5!
- 1...Qe6+
- 2.Sxe6#
- 1...Bf5+
- 2.Rxf5#
- 1...Bxh5
- 2.Rf5#
- 1...Sxf8
- 2.Bxg5#
- 1...Qb6
- 2.Se2#
- 1...Qf1
- 2.Se6#
- 2.Sxg6#
- 1...Qe2
- 2.Sxe2#
- 2.Se6#
- 2.Sxg6#
- 1...Qd3
- 2.Se6#
- 2.Sxg6#
- 1...Qc4
- 2.Sxg6#
- 1...Qb5
- 2.Se6#
- 2.Sxg6#
- 1...Qa1
- 2.Se2#
- 2.Se6#
- 2.Sxg6#
- 1...Qa2
- 2.Sxg6#
- 1...Qa3
- 2.Se6#
- 2.Sxg6#
- 1...Qa4
- 2.Se2#
- 2.Se6#
- 2.Sxg6#
- 1...Qa5
- 2.Se2#
- 2.Se6#
- 2.Sxg6#
- 1...Qc6
- 2.Se2#
- 1...Qd6
- 2.Se2#
- 1...Qf6
- 2.Se2#
- 1...Qa7
- 2.Se2#
- 2.Se6#
- 2.Sxg6#
- 1...Qa8
- 2.Se2#
- 2.Se6#
- 2.Sxg6#
- 1...Bf7
- 2.Rxe4#
- 2.Rf5#
- 1...Be8
- 2.Rxe4#
- 2.Rf5#
- 1...Sf6
- 2.Sxg6#
- 2.Bxg5#
- 1...e3
- 2.fxe3#
- 1...b5
- 2.Se2#
- 1...b6
- 2.Se6#
- 2.Sxg6#
- 1...Qe6+
- 1.Bxh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD::S(I),XB(g)
- Q(f);CHECK,N_GUARD::S(I),XQ(f)
- B(g);CHECK,N_GUARD::R1(G),XB(g)
- S(i);N_GUARD,XS(I)::B(H),XP(d)
- P(b);OGATE::P(C),XP(b)
- Tries
- Try
- R(G);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(f);::B(H)+R(G),DCHECK
- Refutation
- S(i);CHECK,P_SPINS(i),XR(G)
- Try
- Actual
- B(A);XP(e)
- Vars
- Q(f);CHECK,N_GUARD::S(I),XQ(f)
- B(g);CHECK,N_GUARD::R1(G),XB(g)
- B(g);N_GUARD,XB(A)::R1(G)
- S(i);N_GUARD,XS(I)::B(H),XP(d)
- Q(f);N_GUARD::S(D)
- Q(f);N_GUARD::S(I),XB(g)
- P(b);OGATE::P(C),XP(b)
- P(h);S_CUTQ(f)::S(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).