MESON Chess Problem Database
Problem Display
PID: 192822 (2n5/3p4/5RPq/2BkNR2/p1rP1r2/bN3P1p/B1PQ4/3K4 w - - 0 1)
Rizzetti, Dante Hugo
Problem (Zagreb), 1958
#2
12 + 9
| 16325 | Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rcxd4
- 2.c4#
- 1...Rxc5
- 2.Sxc5#
- 1...Rfxd4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rg4
- 2.Sd3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rh4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Rcxd4
- Tries
- 1.Sa1?
- threat
- 2.Bxc4#
- 1...Rxd4
- 2.Sd3#
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 2.Qxd4#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rxf3!
- threat
- 1.Sc1?
- threat
- 2.Bxc4#
- 1...Rxd4
- 2.Sed3#
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 2.Qxd4#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rxf3!
- threat
- 1.Sa5?
- threat
- 2.Bxc4#
- 1...Rxd4
- 2.Sd3#
- 2.Sexc4#
- 2.Sg4#
- 2.Sec6#
- 2.Sxd7#
- 2.Sf7#
- 2.Qxd4#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rxf3!
- threat
- 1.Sxc4+?
- 1...Kxc4
- 2.Qd3#
- 1...Rxf5!
- 1...Kxc4
- 1.Qxf4?
- threat
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 2.Qe4#
- 1...Rxd4+
- 2.Qxd4#
- 1...Qxg6
- 2.Sxg6#
- 2.Qe4#
- 1...Rxc2
- 2.Qe4#
- 1...Rxc5
- 2.Sxc5#
- 2.Qe4#
- 1...Qg5
- 2.Qe4#
- 1...Qh4
- 2.Sd3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qh5
- 2.Qe4#
- 1...Rc3
- 2.Qe4#
- 1...Rb4
- 2.Qe4#
- 1...Sd6
- 2.Rxd6#
- 1...Se7
- 2.Rd6#
- 2.Qe4#
- 1...d6
- 2.Qe4#
- 1...Qxf4!
- threat
- 1.Sa1?
- Keys
- 1.Qa5!
- threat
- 2.Qa8#
- 1...Rcxd4+
- 2.Sxd4#
- 1...Rfxd4+
- 2.Sd3#
- 1...Rxc5
- 2.c4#
- 1...Rb4
- 2.Bxb4#
- 1...Sb6
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(d);OGATE,P_PINQ(D),P_SPINR(d),XP(G)::P(C)
- R(d);XB(H)::B(B)+S(E),XR(d)
- S(i);N_GUARD::R1(K)
- S(i);N_GUARD::R1(K),XS(i)
- Tries
- Try
- S(E);P_PINR(d)
- Threat
- B(B),XR(d)
- Vars
- S(i);N_GUARD::R1(K)
- S(i);N_GUARD::R1(K),XS(i)
- Refutation
- R(e);XP(F)
- Try
- S(E);P_PINR(d)
- Threat
- B(B),XR(d)
- Vars
- S(i);N_GUARD::R1(K)
- S(i);N_GUARD::R1(K),XS(i)
- Refutation
- R(e);XP(F)
- Try
- S(E);P_PINR(d)
- Threat
- B(B),XR(d)
- Vars
- S(i);N_GUARD::R1(K)
- S(i);N_GUARD::R1(K),XS(i)
- Refutation
- R(e);XP(F)
- Try
- S(I);CHECK,XR(d)
- Vars
- K(f);S_FLIGHT,XS(I)::QAB1(D)
- Refutation
- R(e);XR(J)
- Try
- Q(D);XR(e)
- Threat
- DUALS(6)
- Vars
- R(d);CHECK,OGATE,XP(G)::QAR1(D),XR(d)
- R(d);XP(C)::QAB1(D)
- Q(g);::QAB1(D)
- Q(g);P_PINP(F)::QAB1(D)
- R(d);::QAB1(D)
- S(i);N_GUARD::R1(K),XS(i)
- P(h);::QAB1(D)
- Refutation
- Q(g);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- QAB(D)
- Vars
- R(d);CHECK,XP(G)::B(B)+S(E),XR(d)
- R(e);CHECK,N_GUARD,XP(G)::R(J)+S(I)
- R(d);OGATE,P_SPINR(d),XB(H)::P(C)
- R(d);N_GUARD::QAR(D)+B(H),XR(d)
- S(i);N_GUARD::R1(K)
- S(i);N_GUARD::R1(K),XS(i)
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).