MESON Chess Problem Database
Problem Display
PID: 31251 (8/2K5/2P4R/3NkN1P/2P1n1P1/B1P3P1/4q3/1B2Q3 w - - 0 1)
Hirschenson, Aaron
19th Place, 06. WCCT, 1998-2000
#2
13 + 3
| 3447 | 06. WCCT Award | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Bd6#
- 2.Qxe4#
- 1...Qf1
- 2.Bd6#
- 2.Qxe4#
- 1...Qd3
- 2.Bd6#
- 1...Qf3
- 2.Bd6#
- 1...Qa2
- 2.Bd6#
- 2.Qxe4#
- 1...Qb2
- 2.Bd6#
- 2.Qxe4#
- 1...Qc2
- 2.Bd6#
- 1...Qd2
- 2.Bd6#
- 2.Qxe4#
- 1...Qf2
- 2.Bd6#
- 2.Qxe4#
- 1...Qg2
- 2.Bd6#
- 1...Qh2
- 2.Bd6#
- 2.Qxe4#
- 1...Sd2
- 2.Bd6#
- 1...Sf2
- 2.Bd6#
- 1...Sxc3
- 2.Bd6#
- 2.Qxc3#
- 1...Sxg3
- 2.Bd6#
- 2.Qxg3#
- 1...Sg5
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Qd1
- Tries
- 1.Sf4?
- threat
- 2.Re6#
- 1...Qxc4
- 2.Bd6#
- 1...Qxg4
- 2.Qxe4#
- 1...Sxg3
- 2.Bd6#
- 1...Sg5
- 2.Bd6#
- 1...Sf6
- 2.Bd6#
- 1...Sc5!
- threat
- 1.Sf4?
- Keys
- 1.Sd4!
- threat
- 2.Re6#
- 1...Qxc4
- 2.Qxe4#
- 1...Qxg4
- 2.Bd6#
- 1...Sxc3
- 2.Sf3#
- 1...Sc5
- 2.Sf3#
- 1...Sg5
- 2.Bd6#
- 1...Sf6
- 2.Bd6#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(a);P_SPINS(b)::B(C)
- S(b);N_GUARD,P_SPINQ(a)::B(C)
- S(b);N_GUARD,P_SPINQ(a)::B(C),XS(b)
- Tries
- Try
- S(H);
- Threat
- R1(L)
- Vars
- Q(a);P_PINP(K),P_SPINS(b),XP(F)::B(C)
- Q(a);OGATE,P_SPINS(b),XP(G)::QAR1(B),XS(b)
- S(b);N_GUARD,P_SPINQ(a),XP(E)::B(C)
- S(b);N_GUARD,P_SPINQ(a)::B(C)
- Refutation
- S(b);P_SPINQ(a)
- Try
- Actual
- S(I);
- Threat
- R1(L)
- Vars
- Q(a);OGATE,P_PINP(K),P_SPINS(b),XP(F)::QAR1(B),XS(b)
- Q(a);P_SPINS(b),XP(G)::B(C)
- S(b);P_SPINQ(a),XP(D)::S(I)
- S(b);P_SPINQ(a)::S(I)
- S(b);N_GUARD,P_SPINQ(a)::B(C)
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).