MESON Chess Problem Database
Problem Display
PID: 123738 (5B2/2p2b2/1pB5/8/p1kNNbQp/P1P5/2K1P2r/8 w - - 0 1)
Rizzetti, Dante Hugo
Boletim da UBP, 1966
#2
9 + 8
| 6490 | yacpdb | 2009 |
| 16325 | Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rxe2+
- 2.Qxe2#
- 1...Bd2
- 2.Sxd2#
- 1...Bg3
- 2.Sd2#
- 1...Be5
- 2.Sd2#
- 1...Bd5
- 2.Bb5#
- 1...Bh5
- 2.Qe6#
- 1...Be6
- 2.Qxe6#
- 1...Bg6
- 2.Qe6#
- 1...Be8
- 2.Qe6#
- 1...Bg8
- 2.Qxg8#
- 1...Rxe2+
- Tries
- 1.Sb3?
- threat
- 2.Sed2#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bd2
- 2.Sbxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Bg6
- 2.Qe6#
- 1...axb3+!
- threat
- 1.Sf3?
- threat
- 2.Sed2#
- 1...Bd2
- 2.Sfxd2#
- 2.Se5#
- 2.Sexd2#
- 1...Bd6
- 2.Sfd2#
- 1...Bg6
- 2.Qe6#
- 1...Rxe2+!
- threat
- 1.Sb5?
- threat
- 2.Sd2#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bd2
- 2.Sxd2#
- 1...Bg6
- 2.Qe6#
- 1...Bd6!
- threat
- 1.Se6?
- threat
- 2.Sd2#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bd2
- 2.Sxd2#
- 2.Sd6#
- 1...Bg6!
- threat
- 1.Qf3?
- threat
- 2.Qd3#
- 1...Rxe2+
- 2.Qxe2#
- 1...Be3
- 2.Qxf7#
- 1...Rh3!
- threat
- 1.Qf5?
- threat
- 2.Bb5#
- 2.Qb5#
- 2.Qxf7#
- 1...Be5
- 2.Sd2#
- 2.Qxf7#
- 1...Bd5
- 2.Bb5#
- 2.Bxd5#
- 2.Qxd5#
- 1...Bh5
- 2.Bb5#
- 2.Bd5#
- 2.Qe6#
- 2.Qb5#
- 2.Qd5#
- 1...Be6
- 2.Bb5#
- 2.Qxe6#
- 2.Qb5#
- 1...Bg6
- 2.Bb5#
- 2.Bd5#
- 2.Qe6#
- 2.Qb5#
- 2.Qd5#
- 1...Be8
- 2.Bd5#
- 2.Qe6#
- 2.Qb5#
- 2.Qd5#
- 1...Bg8
- 2.Bb5#
- 2.Qb5#
- 1...b5
- 2.Bxb5#
- 2.Qxb5#
- 2.Qc5#
- 2.Qxf7#
- 1...Rxe2+!
- threat
- 1.Qh5?
- threat
- 2.Bb5#
- 2.Qxf7#
- 2.Qb5#
- 1...Rxe2+
- 2.Qxe2#
- 1...Be5
- 2.Sd2#
- 2.Qxf7#
- 1...Bg5
- 2.Qxf7#
- 1...Bd5
- 2.Bb5#
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6
- 2.Bb5#
- 2.Qb5#
- 1...Bg6
- 2.Bb5#
- 2.Bd5#
- 2.Qb5#
- 2.Qd5#
- 1...Be8
- 2.Bd5#
- 2.Qb5#
- 2.Qd5#
- 1...Bg8
- 2.Bb5#
- 2.Qb5#
- 1...b5
- 2.Bxb5#
- 2.Qxf7#
- 2.Qxb5#
- 2.Qc5#
- 1...Bxh5!
- threat
- 1.Qd7?
- threat
- 2.Bb5#
- 2.Qxf7#
- 1...Bd6
- 2.Qxf7#
- 1...Bd5
- 2.Bb5#
- 2.Bxd5#
- 2.Qxd5#
- 1...Bh5
- 2.Bb5#
- 2.Bd5#
- 2.Qe6#
- 2.Qd5#
- 1...Be6
- 2.Bb5#
- 2.Qxe6#
- 1...Bg6
- 2.Bb5#
- 2.Bd5#
- 2.Qe6#
- 2.Qd5#
- 1...Be8
- 2.Bb5#
- 2.Bd5#
- 2.Qe6#
- 2.Qd5#
- 1...Bg8
- 2.Bb5#
- 1...b5
- 2.Bxb5#
- 2.Qxf7#
- 1...Rxe2+!
- threat
- 1.Sb3?
- Keys
- 1.Sf5!
- threat
- 2.Sd2#
- 1...Rxe2+
- 2.Qxe2#
- 1...Bd2
- 2.Sxd2#
- 1...Bd6
- 2.Se3#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- B(d);N_GUARD,N_PINP(B)::S(F),XB(d)
- B(d);N_GUARD::S(F)
- B(h);SBLOCK::B(H)
- B(h);N_GUARD::QAB(G)
- B(h);N_GUARD::QAB(G),XB(h)
- B(h);N_GUARD,P_PINS(F)::QAB(G)
- B(h);OGATEB::QAB(G),XB(h)
- Tries
- Try
- S(E);
- Threat
- S(F)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- B(h);N_GUARD,P_PINS(F)::QAB(G)
- Refutation
- P(b);CHECK,XS(E)
- Try
- S(E);
- Threat
- S(F)
- Vars
- B(d);N_GUARD::S(E)
- B(h);N_GUARD,P_PINS(F)::QAB(G)
- Refutation
- R(a);CHECK,XP(B)
- Try
- S(E);
- Threat
- S(F)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- B(d);N_PINP(B)::QAR(G)+S(F),DCHECK,XB(d)
- B(h);N_GUARD,P_PINS(F)::QAB(G)
- Refutation
- B(d);
- Try
- S(E);
- Threat
- S(F)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- Refutation
- B(h);P_PINS(F)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- B(d);OGATE::QAB(G),XB(h)
- Refutation
- R(a);N_PINP(B)
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- R(a);CHECK,XP(B)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- B(d);::QAB(G),XB(h)
- Refutation
- B(h);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- B(d);::QAB(G),XB(h)
- B(h);::B(H)
- Refutation
- R(a);CHECK,XP(B)
- Try
- Actual
- S(E);
- Threat
- S(F)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(G),XR(a)
- B(d);N_PINP(B)::QAR(G)+S(F),DCHECK,XB(d)
- B(d);N_GUARD::S(E)
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).