MESON Chess Problem Database
Problem Display
PID: 30796 (q1N1R3/1p6/4bp2/1Qp1b3/R1P1k2P/4P2P/3nK2B/8 w - - 0 1)
Thomas, P
Prize, Wellington Ty., 1896
#2
10 + 8
| 3391 | Het Half Pin Thema | 1947 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bc3
- 2.Sd6#
- 1...Bd4
- 2.Sd6#
- 1...Bd6
- 2.Sxd6#
- 1...Bxh3
- 2.Sd6#
- 1...Bd5
- 2.Sd6#
- 1...Bf5
- 2.Sd6#
- 1...Bd7
- 2.Sd6#
- 1...Bf7
- 2.Sd6#
- 1...Bg8
- 2.Sd6#
- 1...Sb1
- 2.Qxb1#
- 1...Sf1
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Ba1
- Tries
- 1.Qc6+?
- 1...Kf5
- 2.Se7#
- 1...Bd5
- 2.Sd6#
- 1...bxc6!
- 1...Kf5
- 1.Qxb7+?
- 1...Kf5
- 2.Se7#
- 2.Qh7#
- 1...Bd5
- 2.Sd6#
- 1...Qxb7!
- 1...Kf5
- 1.Qc6+?
- Keys
- 1.Qd7!
- threat
- 2.Qd3#
- 1...Bg4+
- 2.Qxg4#
- 1...Kf5
- 2.Qh7#
- 1...Bxh2
- 2.Qd5#
- 1...Bxd7
- 2.Sd6#
- 1...Bg3
- 2.Qd5#
- 1...Bf4
- 2.Qd5#
- 1...Bd4
- 2.Sd6#
- 2.Qd5#
- 1...Bd6
- 2.Sxd6#
- 1...Bd5
- 2.Sd6#
- 2.Qg4#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 12
- Sets
- B(d);N_GUARD,P_SPINB(e)::S(I)
- B(d);N_GUARD,P_SPINB(e)::S(I),XB(d)
- B(e);P_SPINB(d),XP(D)::S(I)
- B(e);P_SPINB(d)::S(I)
- S(a);N_GUARD::QAB(H),XS(a)
- S(a);N_GUARD::QAB(H)
- Tries
- Try
- Q(H);CHECK
- Vars
- K(b);S_FLIGHT::S(I)
- B(e);P_SPINB(e)::S(I)
- Refutation
- P(g);XQ(H)
- Try
- Q(H);CHECK,XP(g)
- Vars
- B(e);P_SPINB(e)::S(I)
- Refutation
- Q(h);XQ(H)
- Try
- Actual
- Q(H);
- Threat
- QAB1(H)
- Vars
- B(e);CHECK,OGATE,P_SPINB(d)::QAR2(H),XB(e)
- K(b);P_SPINB(e),S_FLIGHT::QAB(H)
- B(d);P_SPINB(e),XB(B)::QAB1(H)
- B(e);P_SPINB(d),XQ(H)::S(I)
- B(d);P_SPINB(e)::QAB1(H)
- B(d);N_GUARD,P_SPINB(e)::S(I),XB(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).