MESON Chess Problem Database
Problem Display
PID: 265123 (8/8/1p1R4/bN1b2BB/2Q5/5rN1/1KP2r2/3knRn1 w - - 0 1)
Cacciari, Europe
L'Italia Scacchistica, 1931
#2
9 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2+
- 2.Qxc2#
- 1...Bc3+
- 2.Sxc3#
- 1...Rxc2+
- Tries
- 1.Rxd5+?
- 1...Bd2
- 2.Sc3#
- 1...Rd2!
- 1...Bd2
- 1.Qd3+?
- 1...Bd2
- 2.Sc3#
- 1...Rd2!
- 1...Bd2
- 1.Qxd5+?
- 1...Bd2
- 2.Sc3#
- 1...Rd2!
- 1...Bd2
- 1.Qd4+?
- 1...Bd2
- 2.Sc3#
- 1...Rd2!
- 1...Bd2
- 1.Rxd5+?
- Keys
- 1.Qa4!
- threat
- 2.Qa1#
- 1...Rxc2+
- 2.Qxc2#
- 1...Bc3+
- 2.Sxc3#
- 1...Bd2
- 2.c4#
- 1...Se2
- 2.c3#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(d);CHECK,OGATE,XP(C)::QAB1(E),XR(d)
- B(f);CHECK,N_GUARD::S(F),XB(f)
- Tries
- Try
- R(I);CHECK,XB(g)
- Vars
- B(f);N_PINP(C),P_SPINB(f)::S(F)
- Refutation
- R(d);N_SPINR(e),P_SPINR(d)
- Try
- Q(E);CHECK,N_PINB(g)
- Vars
- B(f);N_PINP(C),P_SPINB(f)::S(F)
- Refutation
- R(d);N_SPINR(e),P_SPINR(d)
- Try
- Q(E);CHECK,XB(g)
- Vars
- B(f);N_PINP(C),P_SPINB(f)::S(F)
- Refutation
- R(d);N_SPINR(e),P_SPINR(d)
- Try
- Q(E);CHECK,N_PINB(g)
- Vars
- B(f);N_PINP(C),P_SPINB(f)::S(F)
- Refutation
- R(d);N_SPINR(e),P_SPINR(d)
- Try
- Actual
- Q(E);
- Threat
- QAR(E)
- Vars
- R(d);CHECK,N_SPINR(e),OGATE,P_SPINR(d),XP(C)::QAB1(E),XR(d)
- B(f);CHECK,N_GUARD::S(F),XB(f)
- B(f);N_PINP(C),N_SPINB(g)::QAB(E)+P(C)
- S(c);N_PINP(C),N_SPINR(e)::QAB(E)+P(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).