MESON Chess Problem Database
Problem Display
PID: 270892 (3n3B/p1b5/qp4p1/Rn6/5k1P/p3RP2/4PP1N/1B3K2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach, 2023
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Bxe5#
- 1...Sd4
- 2.Re4#
- 1...Sd6
- 2.Be5#
- 1...Be5
- Tries
- 1.Bxg6?
- threat
- 2.Re4#
- 1...Sc3
- 2.Rf5#
- 1...Sd6
- 2.Be5#
- 1...Qb7!
- threat
- 1.Re7?
- threat
- 2.e3#
- 1...Sd4
- 2.Re4#
- 1...Sd6
- 2.Be5#
- 1...Sc3!
- threat
- 1.Re8?
- threat
- 2.e3#
- 1...Sd4
- 2.Re4#
- 1...Sd6
- 2.Be5#
- 1...Sc3!
- threat
- 1.Ra4+?
- 1...Sd4
- 2.Rxd4#
- 1...Qxa4!
- 1...Sd4
- 1.Bxg6?
- Keys
- 1.Re6!
- threat
- 2.e3#
- 1...Sc3
- 2.Rf6#
- 1...Sd4
- 2.Re4#
- 1...Sd6
- 2.Be5#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(h);N_GUARD::B(J),XB(h)
- S(c);P_PINP(C)::R1(F)
- S(c);P_PINP(C),S_CUTB(h)::B(J)
- Tries
- Try
- B(A);XP(f)
- Threat
- R1(F)
- Vars
- S(c);OGATE,P_PINP(C)::R1(I)
- S(c);P_PINP(C),S_CUTB(h)::B(J)
- Refutation
- Q(d);
- Try
- R(F);
- Threat
- P(C)
- Vars
- S(c);P_PINP(C)::R1(F)
- S(c);P_PINP(C),S_CUTB(h)::B(J)
- Refutation
- S(c);P_PINP(C)
- Try
- R(F);
- Threat
- P(C)
- Vars
- S(c);P_PINP(C)::R1(F)
- S(c);P_PINP(C),S_CUTB(h)::B(J)
- Refutation
- S(c);P_PINP(C)
- Try
- R(I);CHECK
- Vars
- S(c);N_GUARD,P_PINP(C),P_SPINS(c)::R(I),XS(c)
- Refutation
- Q(d);XR(I)
- Try
- Actual
- R(F);
- Threat
- P(C)
- Vars
- S(c);P_PINP(C)::R(F)
- S(c);P_PINP(C)::R1(F)
- S(c);P_PINP(C),S_CUTB(h)::B(J)
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).