MESON Chess Problem Database
Problem Display
PID: 265200 (B4R2/5r2/1B1pr1p1/4k1P1/R7/1K1P2N1/5n2/2b3Q1 w - - 0 1)
Bottacchi, Antonio
La Settimana Enigmistica, 1934
#2
9 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf3
- 2.Bd4#
- 1...Ra7
- 2.Bd4#
- 2.d4#
- 1...Rc7
- 2.Bd4#
- 2.d4#
- 1...Rd7
- 2.Bd4#
- 2.d4#
- 1...Re7
- 2.Bd4#
- 2.d4#
- 1...Rg7
- 2.Bd4#
- 2.d4#
- 1...Rh7
- 2.Bd4#
- 2.d4#
- 1...Bf4
- 2.Bd4#
- 2.Qa1#
- 2.d4#
- 1...Bxg5
- 2.Qa1#
- 1...Sd1
- 2.Re4#
- 2.Qd4#
- 1...Sh1
- 2.Re4#
- 2.Qd4#
- 1...Sxd3
- 2.Re4#
- 2.Qd4#
- 1...Sh3
- 2.Re4#
- 2.Qd4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 2.Qd4#
- 1...Rf3
- Tries
- 1.Qe1+?
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Be3!
- 1...Se4
- 1.Qg2?
- threat
- 2.Qd5#
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...d5
- 2.Qxd5#
- 1...Rf3
- 2.Bd4#
- 1...Rb7
- 2.d4#
- 1...Bxg5!
- threat
- 1.Qe1+?
- Keys
- 1.Qh1!
- threat
- 2.Qd5#
- 1...Bxg5
- 2.Qa1#
- 1...Sxh1
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...d5
- 2.Qxd5#
- 1...Rf3
- 2.Bd4#
- 1...Rb7
- 2.d4#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(g);P_PINP(C)::B(G)
- B(a);OGATE,XP(F)::QAB(A)
- S(b);N_GUARD::R1(E),XS(b)
- Tries
- Try
- Q(A);CHECK
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(d);::QAR1(A),XP(d)
- R(g);P_PINP(C)::B(G)
- R(g);P_PINB(G)::P(C)
- Refutation
- B(a);XP(F)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(a);OGATE,XP(F)::QAB(A)
- S(b);N_GUARD,XQ(A)::R1(E)
- P(d);::QAR1(A),XP(d)
- R(g);P_PINP(C)::B(G)
- R(g);P_PINB(G)::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).