MESON Chess Problem Database
Problem Display
PID: 123734 (1Br5/3Bp3/p5pb/1nR1pN2/4k1Pp/pN6/3QP1n1/2K2R2 w - - 0 1)
Rizzetti, Dante Hugo
Canadian Chess Chat, 1980
#2
10 + 11
| 6490 | yacpdb | 2009 |
| 16325 | Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5+
- 2.Sxc5#
- 1...Rc6
- 2.Bxc6#
- 1...Rxb8
- 2.Bc6#
- 1...Rd8
- 2.Rxe5#
- 1...Re8
- 2.Bc6#
- 2.Rxe5#
- 1...Rf8
- 2.Bc6#
- 2.Rxe5#
- 1...Rg8
- 2.Bc6#
- 2.Rxe5#
- 1...Rh8
- 2.Bc6#
- 2.Rxe5#
- 1...Bxd2+
- 2.Sxd2#
- 1...Bg7
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Bf8
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Se3
- 2.Qd3#
- 1...Sf4
- 2.Qe3#
- 1...Sc3
- 2.Rxe5#
- 1...Sc7
- 2.Rc4#
- 1...h3
- 2.Sg3#
- 1...gxf5
- 2.Bxf5#
- 1...g5
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Rxc5+
- Tries
- 1.Bxc8?
- threat
- 2.Bb7#
- 2.Rxe5#
- 1...Bxd2+
- 2.Sxd2#
- 1...Bf4
- 2.Bb7#
- 1...Bg7
- 2.Bb7#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Se3
- 2.Rxe5#
- 2.Qd3#
- 1...Sf4
- 2.Rxe5#
- 2.Qe3#
- 1...Sc3
- 2.Rc4#
- 2.Rxe5#
- 1...Sd4
- 2.Rxe5#
- 1...Sa7
- 2.Rc4#
- 2.Rxe5#
- 1...Sc7
- 2.Rc4#
- 1...Sd6!
- threat
- 1.Bc7?
- threat
- 2.Bc6#
- 2.Rxe5#
- 1...Bxd2+
- 2.Sxd2#
- 1...Sxc7
- 2.Rc4#
- 1...Rd8
- 2.Rxe5#
- 1...Bf4
- 2.Bc6#
- 1...Bg7
- 2.Bc6#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Se3
- 2.Rxe5#
- 2.Qd3#
- 1...Sf4
- 2.Rxe5#
- 2.Qe3#
- 1...Sc3
- 2.Rc4#
- 2.Rxe5#
- 1...Sd4
- 2.Rxe5#
- 1...Sd6
- 2.Bc6#
- 1...Sa7
- 2.Rc4#
- 2.Rxe5#
- 1...Rxc7!
- threat
- 1.Rf4+?
- 1...Sxf4
- 2.Qe3#
- 1...exf4
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Bxf4!
- 1...Sxf4
- 1.Qe3+?
- 1...Sxe3
- 2.Sd2#
- 1...Bxe3+!
- 1...Sxe3
- 1.Qf4+?
- 1...Sxf4
- 2.Sd2#
- 1...exf4
- 2.Sd2#
- 1...Bxf4+!
- 1...Sxf4
- 1.Qxh6?
- threat
- 2.Sd2#
- 1...gxf5
- 2.Bxf5#
- 1...Rxc5+!
- threat
- 1.g5?
- threat
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Rxc5+
- 2.Sxc5#
- 1...gxf5
- 2.Bxf5#
- 2.Qd3#
- 1...Se1
- 2.Qe3#
- 2.Qd5#
- 1...Se3
- 2.Qxe3#
- 2.Qd3#
- 1...Sf4
- 2.Qe3#
- 1...Sc3
- 2.Rxe5#
- 2.Qc2#
- 2.Qd3#
- 1...Sd4
- 2.Qd3#
- 1...Sc7
- 2.Rc4#
- 2.Qb4#
- 2.Qc2#
- 2.Qd3#
- 1...e6
- 2.Qc2#
- 2.Qd3#
- 1...Bxg5!
- threat
- 1.Bxc8?
- Keys
- 1.Be6!
- threat
- 2.Bd5#
- 1...Rxc5+
- 2.Sxc5#
- 1...Bxd2+
- 2.Sxd2#
- 1...Rd8
- 2.Rxe5#
- 1...Se3
- 2.Qd3#
- 1...Sf4
- 2.Qe3#
- 1...Sc3
- 2.Rxe5#
- 1...Sc7
- 2.Rc4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(k);CHECK,XR(G)::S(E),XR(k)
- R(k);N_GUARD::B(I),XR(k)
- R(k);N_GUARD,N_PINR(G),XB(J)::B(I)
- R(k);N_PINR(G)::R1(G),XP(f)
- B(i);CHECK,XQ(C)::S(E),XB(i)
- S(a);N_PINQ(C)::QAB1(C)
- S(a);N_GUARD,N_PINQ(C),S_CUTB(i)::QAR1(C)
- S(e);N_PINR(G)::R1(G),XP(f)
- S(e);N_GUARD,N_PINR(G),S_CUTR(k)::R(G)
- P(d);N_GUARD::S(H)
- P(h);OGATE,XS(H)::B(I),XP(h)
- Tries
- Try
- B(I);N_SPINR(G),XR(k)
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,XQ(C)::S(E),XB(i)
- B(i);::B(I)
- S(e);::R1(G),XP(f)
- S(e);N_GUARD::R(G)
- Refutation
- S(e);
- Try
- B(J);N_SPINR(G)
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,XQ(C)::S(E),XB(i)
- S(e);N_GUARD,XB(J)::R(G)
- R(k);::R1(G),XP(f)
- B(i);::B(I)
- S(e);::R1(G),XP(f)
- S(e);::B(I)
- Refutation
- R(k);P_PINR(G),XB(J)
- Try
- R(B);CHECK,N_SPINQ(C)
- Vars
- S(a);XR(B)::QAR1(C)
- Refutation
- B(i);P_PINQ(C),XR(B)
- Try
- Q(C);CHECK
- Vars
- S(a);XQ(C)::S(E)
- Refutation
- B(i);CHECK,XQ(C)
- Try
- Q(C);CHECK
- Vars
- S(a);XQ(C)::S(E)
- P(f);XQ(C)::S(E)
- Refutation
- B(i);CHECK,XQ(C)
- Try
- Q(C);N_SPINQ(C),XB(i)
- Threat
- S(E)
- Vars
- P(h);OGATE,XS(H)::B(I),XP(h)
- Refutation
- R(k);CHECK,XR(G)
- Try
- P(F);N_SPINQ(C)
- Threat
- DUALS(3)
- Vars
- R(k);CHECK,XR(G)::S(E),XR(k)
- S(a);N_GUARD::QAR1(C)
- S(e);::QAB1(C)
- Refutation
- B(i);P_PINQ(C),XP(F)
- Try
- Actual
- B(I);
- Threat
- B(I)
- Vars
- R(k);CHECK,XR(G)::S(E),XR(k)
- B(i);CHECK,XQ(C)::S(E),XB(i)
- R(k);N_PINR(G)::R1(G),XP(f)
- S(a);N_PINQ(C)::QAB1(C)
- S(a);N_GUARD,N_PINQ(C),S_CUTB(i)::QAR1(C)
- S(e);N_PINR(G)::R1(G),XP(f)
- S(e);N_GUARD,N_PINR(G),S_CUTR(k)::R(G)
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).