MESON Chess Problem Database
Problem Display
PID: 81718 (Bb2KB2/8/2n1k1pp/4P1p1/2r3P1/8/3RRN2/5Q2 w - - 0 1)
Hirschenson, Aaron
Mat Plus, 2007
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Sa5
- 2.Bd5#
- 1...Sa7
- 2.Bd5#
- 1...Sd8
- 2.Bd5#
- 1...Bxe5
- Tries
- 1.Sd1?
- threat
- 2.Qf6#
- 2.Qf7#
- 1...Bxe5
- 2.Rd6#
- 2.Qf7#
- 1...Sxe5
- 2.Bd5#
- 2.Qf7#
- 1...Rd4
- 2.Qf7#
- 1...Re4
- 2.Qf6#
- 1...Sd8
- 2.Bd5#
- 2.Qf6#
- 1...Rf4!
- threat
- 1.Sh1?
- threat
- 2.Qf6#
- 2.Qf7#
- 1...Bxe5
- 2.Rd6#
- 2.Qf7#
- 1...Sxe5
- 2.Bd5#
- 2.Qf7#
- 1...Rd4
- 2.Qf7#
- 1...Re4
- 2.Qf6#
- 1...Sd8
- 2.Bd5#
- 2.Qf6#
- 1...Rf4!
- threat
- 1.Sh3?
- threat
- 2.Qf6#
- 2.Qf7#
- 1...Bxe5
- 2.Rd6#
- 2.Qf7#
- 1...Sxe5
- 2.Bd5#
- 2.Qf7#
- 1...Rd4
- 2.Qf7#
- 1...Re4
- 2.Qf6#
- 1...Sd8
- 2.Bd5#
- 2.Qf6#
- 1...Rf4!
- threat
- 1.Se4?
- threat
- 2.Qf6#
- 1...Kxe5
- 2.Qf6#
- 1...Bxe5
- 2.Qf7#
- 1...Rd4!
- threat
- 1.Sd1?
- Keys
- 1.Sd3!
- threat
- 2.Qf7#
- 1...Kd5
- 2.Sf4#
- 1...Rf4
- 2.Sc5#
- 1...Sd8
- 2.Qf6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- B(g);N_GUARD,P_SPINB(g),XP(F)::R1(B)
- B(g);N_GUARD::R1(B),XB(g)
- B(g);N_GUARD::R1(B)
- S(c);OGATE::B(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(A)
- R(a);::QAR1(A)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(A)
- R(a);::QAR1(A)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(A)
- R(a);::QAR1(A)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- K(d);P-FLIGHT,XP(F)::QAB1(A)
- B(g);SBLOCK,XP(F)::QAB1(A)
- Refutation
- R(a);
- Try
- Actual
- S(D);
- Threat
- QAB1(A)
- Vars
- K(d);P_SPINS(c),S_FLIGHT::R(B)+S(D),DCHECK
- R(a);N_GUARD::S(D)
- S(c);::QAR1(A)
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).