MESON Chess Problem Database
Problem Display
PID: 56849 (1n4n1/4Q3/3B4/b3N3/2P5/2r1P1R1/N2k4/R2B1K2 w - - 0 1)
Pirrone, Santi
1st Prize, L'Italia Scacchistica, 1966
#2
10 + 5
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sf3#
- 1...Rd3
- Tries
- 1.Qh4?
- threat
- 2.Qh2#
- 1...Rc1
- 2.Qd4#
- 1...Rxe3!
- threat
- 1.Qa7?
- threat
- 2.Rg2#
- 1...Rxe3
- 2.Qxe3#
- 1...Rc1
- 2.Qd4#
- 1...Bb6!
- threat
- 1.Qb7?
- threat
- 2.Qg2#
- 1...Rxe3
- 2.Qb2#
- 1...Rc1
- 2.Qd5#
- 1...Sc6!
- threat
- 1.Qh7?
- threat
- 2.Qh2#
- 1...Rxe3
- 2.Qc2#
- 1...Rc1
- 2.Qd3#
- 1...Sh6!
- threat
- 1.Qh4?
- Keys
- 1.Bc5!
- threat
- 2.Rg2#
- 1...Rxe3
- 2.Bxe3#
- 1...Rc1
- 2.Qd6#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(b);SBLOCK::S(H)
- Tries
- Try
- Q(J);
- Threat
- QAR(J)
- Vars
- R(b);N_GUARD,P_PINB(B)::QAR2(J)
- Refutation
- R(b);XP(E)
- Try
- Q(J);
- Threat
- R(F)
- Vars
- R(b);OGATE,XP(E)::QAB1(J),XR(b)
- R(b);N_GUARD,P_PINB(B)::QAR2(J)
- Refutation
- B(c);
- Try
- Q(J);
- Threat
- QAR(J)
- Vars
- R(b);N_GUARD,XP(E)::QAR2(J)
- R(b);N_GUARD,P_PINB(B)::QAR(J)
- Refutation
- S(d);
- Try
- Q(J);
- Threat
- QAR(J)
- Vars
- R(b);N_GUARD,XP(E)::QAR1(J)
- R(b);N_GUARD,P_PINB(B)::QAR1(J)
- Refutation
- S(e);
- Try
- Actual
- B(I);
- Threat
- R(F)
- Vars
- R(b);OGATE,XP(E)::B(I),XR(b)
- R(b);N_GUARD,P_PINB(B)::QAR(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).