MESON Chess Problem Database
Problem Display
PID: 71444 (n7/qpr1p3/P3R3/1Npk1B2/2R2p1r/pP1N1p2/K1P5/b3n1BQ w - - 0 1)
Faria, Oswaldo
1st Prize, TNCP, 1982-1983
#2
11 + 13
| 1077 | Boletim da UBP | 1989 |
| 1077 | Boletim da UBP | 1990 |
| 1077 | Boletim da UBP | 1991 |
SOLUTION
- SOUND
- Sets
- 1...Rxh1
- 2.Sxf4#
- 1...Rh2
- 2.Sxf4#
- 1...Rh3
- 2.Sxf4#
- 1...Rh5
- 2.Sxf4#
- 1...Rh6
- 2.Sxf4#
- 1...Rh7
- 2.Sxf4#
- 1...Rh8
- 2.Sxf4#
- 1...Bc3
- 2.Sxc3#
- 1...Sxc2
- 2.Qxf3#
- 1...Sxd3
- 2.Qxf3#
- 1...Sb6
- 2.Sxc7#
- 1...Rxh1
- Tries
- 1.Sd4?
- threat
- 2.Be4#
- 1...cxd4
- 2.Sb4#
- 1...Bxd4!
- threat
- 1.Bxc5?
- threat
- 2.Sb4#
- 1...Sxc2
- 2.Qxf3#
- 1...Sxd3
- 2.Qxf3#
- 1...Bc3
- 2.Sxc3#
- 1...Qxc5!
- threat
- 1.Rb4?
- threat
- 2.c4#
- 1...Sxc2
- 2.Qxf3#
- 1...cxb4
- 2.Sxb4#
- 1...Rh2
- 2.Sxf4#
- 1...Bc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxc7#
- 1...c4!
- threat
- 1.Rd4+?
- 1...Bxd4
- 2.c4#
- 1...cxd4!
- 1...Bxd4
- 1.Rce4?
- threat
- 2.c4#
- 1...Rh2
- 2.Sxf4#
- 1...Bc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxc7#
- 1...c4
- 2.Sb4#
- 1...Sxc2!
- threat
- 1.Rxf4?
- threat
- 2.c4#
- 1...Rxf4
- 2.Sxf4#
- 1...Sxc2
- 2.Qxf3#
- 1...Bc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxc7#
- 1...c4
- 2.Sb4#
- 1...Rh2!
- threat
- 1.Rxc5+?
- 1...Rxc5
- 2.Sb4#
- 1...Qxc5!
- 1...Rxc5
- 1.Qh3?
- threat
- 2.Be4#
- 1...Rxh3
- 2.Sxf4#
- 1...Rg4!
- threat
- 1.Sd4?
- Keys
- 1.Ra4!
- threat
- 2.c4#
- 1...Sxc2
- 2.Qxf3#
- 1...Rh2
- 2.Sxf4#
- 1...Bc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxc7#
- 1...c4
- 2.Sb4#
- threat
- 1.Ra4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD,N_SPINP(d),XQ(B)::S(F),XP(e)
- R(f);N_GUARD,P_PINP(D)::S(F),XP(e)
- R(f);N_GUARD::S(F),XP(e)
- B(a);N_GUARD::S(H),XB(a)
- S(b);N_GUARD,XP(D)::QAB(B),XP(d)
- S(b);N_GUARD,XS(F)::QAB(B),XP(d)
- S(m);N_GUARD::S(H),XR(k)
- Tries
- Try
- S(H);
- Threat
- B(I)
- Vars
- P(g);N_GUARD,XS(H)::S(F)
- Refutation
- B(a);XS(H)
- Try
- B(A);XP(g)
- Threat
- S(F)
- Vars
- S(b);N_GUARD,XP(D)::QAB(B),XP(d)
- S(b);N_GUARD,XS(F)::QAB(B),XP(d)
- B(a);N_GUARD::S(H),XB(a)
- Refutation
- Q(i);XB(A)
- Try
- R(G);
- Threat
- P(D)
- Vars
- S(b);N_GUARD,XP(D)::QAB(B),XP(d)
- P(g);XR(G)::S(F),XP(g)
- R(f);N_GUARD,P_PINP(D)::S(F),XP(e)
- B(a);N_GUARD::S(H),XB(a)
- S(m);N_GUARD::S(H),XR(k)
- Refutation
- P(g);
- Try
- R(G);CHECK
- Vars
- B(a);XR(G)::P(D)
- Refutation
- P(g);XR(G)
- Try
- R(G);N_PINP(d)
- Threat
- P(D)
- Vars
- R(f);N_GUARD,P_PINP(D)::S(F),XP(e)
- B(a);N_GUARD::S(H),XB(a)
- S(m);N_GUARD::S(H),XR(k)
- P(g);N_GUARD::S(F)
- Refutation
- S(b);XP(D)
- Try
- R(G);XP(e)
- Threat
- P(D)
- Vars
- R(f);XR(G)::S(F),XR(f)
- S(b);N_GUARD,XP(D)::QAB(B),XP(d)
- B(a);N_GUARD::S(H),XB(a)
- S(m);N_GUARD::S(H),XR(k)
- P(g);N_GUARD::S(F)
- Refutation
- R(f);P_PINP(D)
- Try
- R(G);CHECK,XP(g)
- Vars
- R(k);XR(G)::S(F)
- Refutation
- Q(i);XR(G)
- Try
- Q(B);N_PINP(d)
- Threat
- B(I)
- Vars
- R(f);N_GUARD,XQ(B)::S(F),XP(e)
- Refutation
- R(f);
- Try
- Actual
- R(G);
- Threat
- P(D)
- Vars
- S(b);N_GUARD,XP(D)::QAB(B),XP(d)
- R(f);N_GUARD,P_PINP(D)::S(F),XP(e)
- B(a);N_GUARD::S(H),XB(a)
- S(m);N_GUARD::S(H),XR(k)
- P(g);N_GUARD::S(F)
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).