MESON Chess Problem Database
Problem Display
PID: 198853 (R6K/1n2p2Q/8/1k1P1p2/6p1/pNPPB2b/7r/1R5r w - - 0 1)
Sparke, Arthur M
Brisbane Courier, 1921
#2
9 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sd2#
- 1...Bg2
- 2.Sc1#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.Sd4#
- 1...Sd6
- 2.Ra5#
- 1...Sd8
- 2.Ra5#
- 1...e5
- 2.Qxb7#
- 2.Qd7#
- 1...e6
- 2.Qxb7#
- 2.Qd7#
- 1...Bf1
- Tries
- 1.Qh6?
- threat
- 2.Qa6#
- 2.Qb6#
- 2.Qc6#
- 1...Sa5
- 2.Rxa5#
- 1...Bf1
- 2.Sd2#
- 1...Bg2
- 2.Sc1#
- 1...Sc5
- 2.Sd4#
- 2.Ra5#
- 2.Qc6#
- 1...Sd6
- 2.Ra5#
- 1...Sd8
- 2.Ra5#
- 2.Qa6#
- 2.Qb6#
- 1...e6!
- threat
- 1.Qh6?
- Keys
- 1.Qh5!
- threat
- 2.Qe8#
- 1...Sa5
- 2.Rxa5#
- 1...Sc5
- 2.Sd4#
- 1...Bf1
- 2.Sd2#
- 1...Bg2
- 2.Sc1#
- 1...Sd6
- 2.Ra5#
- 1...Sd8
- 2.Ra5#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(d);P_PINQ(G),S_CUTR(a)::R(A)+S(B)
- B(d);P_PINQ(G),S_CUTR(b)::R(A)+S(B)
- S(h);N_GUARD::R1(H),XS(h)
- S(h);SBLOCK::R(A)+S(B),DCHECK
- S(h);N_GUARD::R1(H)
- Tries
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- B(d);P_PINQ(G),S_CUTR(a)::R(A)+S(B)
- B(d);P_PINQ(G),S_CUTR(b)::R(A)+S(B)
- S(h);N_GUARD::R1(H)
- Refutation
- P(i);
- Try
- Actual
- Q(G);
- Threat
- QAB(G)
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- S(h);SBLOCK::R(A)+S(B),DCHECK
- B(d);P_PINQ(G),S_CUTR(a)::R(A)+S(B)
- B(d);P_PINQ(G),S_CUTR(b)::R(A)+S(B)
- S(h);N_GUARD::R1(H)
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).