MESON Chess Problem Database
Problem Display
PID: 178050 (N1bb4/K1RB4/pQ6/r2kN2r/P3R3/Bn1P4/3p1q2/8 w - - 0 1)
Zarur, Almiro Elias
26th Place, 02. WCCT, 1980-1983
#2
10 + 9
| 1077 | Boletim da UBP | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qg3
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qh4
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qxb6+
- 2.Sxb6#
- 1...Qf1
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qe2
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qg2
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qh2
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qf3
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qf4
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qf5
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Qf6
- 2.Qxb3#
- 1...Qf7
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Qf8
- 2.Qxb3#
- 2.Qc6#
- 2.Qe6#
- 1...Rc5
- 2.Qe6#
- 1...Bb7
- 2.Be6#
- 1...Bxd7
- 2.Rxd7#
- 1...Bxc7
- 2.Sxc7#
- 1...Sd4
- 2.Qd6#
- 1...Sc5
- 2.Qc6#
- 1...Qe1
- Tries
- 1.Kb8?
- threat
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qxb6+
- 2.Sxb6#
- 1...Bxc7+
- 2.Sxc7#
- 1...Rxa4
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Rxe5
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Bxd7
- 2.Rxd7#
- 2.Qxb3#
- 2.Qd6#
- 1...d1Q
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...d1B
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qd4
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qc5
- 2.Qe6#
- 1...Qf5
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Qf6
- 2.Qxb3#
- 1...Qf7
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Qf8
- 2.Qxb3#
- 2.Qc6#
- 2.Qe6#
- 1...Rc5
- 2.Qe6#
- 1...Rh6
- 2.Qxb3#
- 1...Bb7
- 2.Be6#
- 2.Qxb3#
- 2.Qd6#
- 2.Qe6#
- 2.Qxb7#
- 1...Be7
- 2.Qxb3#
- 2.Qc6#
- 2.Qe6#
- 1...Sa1
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Sc1
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Sd4
- 2.Qd6#
- 1...Sc5
- 2.Qc6#
- 1...Rb5!
- threat
- 1.Sf3?
- threat
- 2.Bc6#
- 1...Qxb6+
- 2.Sxb6#
- 1...Bxd7
- 2.Rxd7#
- 1...Rc5
- 2.Qe6#
- 1...Re5
- 2.Rxe5#
- 1...Rh6
- 2.Re5#
- 1...Bb7
- 2.Be6#
- 1...Sd4
- 2.Qd6#
- 1...Sc5
- 2.Qc6#
- 1...Qc5!
- threat
- 1.Sc4?
- threat
- 2.Bc6#
- 1...Qxb6+
- 2.Scxb6#
- 2.Saxb6#
- 1...Bxd7
- 2.Rxd7#
- 1...Qf6
- 2.Se3#
- 1...Rc5
- 2.Qd6#
- 2.Qe6#
- 1...Re5
- 2.Rxe5#
- 1...Rh6
- 2.Re5#
- 1...Bb7
- 2.Be6#
- 1...Sd4
- 2.Qd6#
- 1...Qc5!
- threat
- 1.Sg4?
- threat
- 2.Bc6#
- 1...Qxb6+
- 2.Sxb6#
- 1...Bxd7
- 2.Rxd7#
- 1...Qf6
- 2.Se3#
- 2.Qxb3#
- 1...Rc5
- 2.Qe6#
- 1...Re5
- 2.Rxe5#
- 1...Rh6
- 2.Re5#
- 1...Bb7
- 2.Be6#
- 1...Sd4
- 2.Qd6#
- 1...Sc5
- 2.Qc6#
- 1...Qc5!
- threat
- 1.Sf7?
- threat
- 2.Bc6#
- 1...Qxb6+
- 2.Sxb6#
- 1...Bxd7
- 2.Rxd7#
- 1...Qf6
- 2.Qxb3#
- 1...Rc5
- 2.Qd6#
- 2.Qe6#
- 1...Re5
- 2.Rxe5#
- 1...Rh6
- 2.Re5#
- 1...Bb7
- 2.Be6#
- 1...Sd4
- 2.Qd6#
- 1...Qc5!
- threat
- 1.Bc5?
- threat
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Rxa4
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Rxc5
- 2.Qe6#
- 1...Rxe5
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Bxd7
- 2.Rxd7#
- 2.Qxb3#
- 2.Qd6#
- 1...Bxc7
- 2.Sxc7#
- 2.Qc6#
- 1...Sxc5
- 2.Qc6#
- 1...d1Q
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...d1B
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qd4
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Qf5
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Qf6
- 2.Qxb3#
- 1...Qf7
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 1...Qf8
- 2.Qxb3#
- 2.Qc6#
- 2.Qe6#
- 1...Rb5
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Rh6
- 2.Qxb3#
- 1...Bb7
- 2.Be6#
- 2.Qxb3#
- 2.Qd6#
- 2.Qe6#
- 2.Qxb7#
- 1...Be7
- 2.Qxb3#
- 2.Qc6#
- 2.Qe6#
- 1...Sa1
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Sc1
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 1...Sd4
- 2.Qd6#
- 1...Qxc5!
- threat
- 1.Bxc8?
- threat
- 2.Be6#
- 2.Bb7#
- 2.Rd7#
- 1...Qxb6+
- 2.Sxb6#
- 1...Rxe5
- 2.Bb7#
- 2.Rd7#
- 1...Bxc7
- 2.Sxc7#
- 2.Be6#
- 2.Bb7#
- 1...Qc5
- 2.Be6#
- 1...Qf5
- 2.Bb7#
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qb7#
- 1...Qf6
- 2.Qxb3#
- 1...Qf7
- 2.Bb7#
- 2.Qxb3#
- 2.Qc6#
- 2.Qd6#
- 2.Qb7#
- 1...Qf8
- 2.Be6#
- 2.Bb7#
- 2.Qxb3#
- 2.Qc6#
- 2.Qe6#
- 2.Qb7#
- 1...Rc5
- 2.Be6#
- 2.Rd7#
- 2.Qe6#
- 1...Rh7
- 2.Be6#
- 2.Bb7#
- 1...Be7
- 2.Be6#
- 2.Bb7#
- 1...Sd4
- 2.Rd7#
- 2.Qd6#
- 1...Sc5
- 2.Qc6#
- 1...Rh6!
- threat
- 1.Rd4+?
- 1...Kxe5
- 2.Qd6#
- 1...Sxd4
- 2.Qd6#
- 1...Qxd4!
- 1...Kxe5
- 1.Rc5+?
- 1...Rxc5
- 2.Qe6#
- 1...Sxc5
- 2.Qc6#
- 1...Qxc5!
- 1...Rxc5
- 1.Qd4+?
- 1...Sxd4
- 2.Sb6#
- 1...Qxd4+!
- 1...Sxd4
- 1.Kb8?
- Keys
- 1.Sg6!
- threat
- 2.Bc6#
- 1...Qxb6+
- 2.Sxb6#
- 1...Bxd7
- 2.Rxd7#
- 1...Qc5
- 2.Sf4#
- 1...Qf6
- 2.Qxb3#
- 1...Rc5
- 2.Qe6#
- 1...Re5
- 2.Rxe5#
- 1...Bb7
- 2.Be6#
- 1...Sd4
- 2.Qd6#
- 1...Sc5
- 2.Qc6#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- Q(b);N_PINQ(F)::QAB(F),XS(c)
- R(d);N_PINQ(F)::QAB1(F)
- B(h);N_GUARD::B(I)
- B(h);OGATE,XB(I)::R(H),XB(h)
- B(i);XR(H)::S(J),XB(i)
- S(c);N_PINQ(F)::QAR1(F)
- S(c);N_PINQ(F)::QAB1(F)
- Tries
- Try
- K(G);N_SPINQ(F),S_FLIGHT
- Threat
- DUALS(4)
- Vars
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- B(i);CHECK,XR(H)::S(J),XB(i)
- Q(b);::QAB1(F)
- Q(b);::QAB(F),XS(c)
- R(d);::QAB1(F)
- R(f);::QAB(F),XS(c)
- S(c);::QAR1(F)
- S(c);::QAB1(F)
- Refutation
- R(d);P_PINQ(F)
- Try
- S(E);
- Threat
- B(I)
- Vars
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- B(h);OGATE,XB(I)::R(H),XB(h)
- R(d);N_PINQ(F)::QAB1(F)
- R(f);N_GUARD::R1(D),XR(f)
- R(f);N_GUARD::R1(D)
- B(h);N_GUARD::B(I)
- S(c);N_PINQ(F)::QAR1(F)
- S(c);N_PINQ(F)::QAB1(F)
- Refutation
- Q(b);
- Try
- S(E);
- Threat
- B(I)
- Vars
- B(h);OGATE,XB(I)::R(H),XB(h)
- Q(b);N_GUARD,N_PINQ(F)::S(E)
- R(f);N_GUARD::R1(D),XR(f)
- R(f);N_GUARD::R1(D)
- B(h);N_GUARD::B(I)
- S(c);N_PINQ(F)::QAR1(F)
- Refutation
- Q(b);
- Try
- S(E);
- Threat
- B(I)
- Vars
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- B(h);OGATE,XB(I)::R(H),XB(h)
- R(d);N_PINQ(F)::QAB1(F)
- R(f);N_GUARD::R1(D),XR(f)
- R(f);N_GUARD::R1(D)
- B(h);N_GUARD::B(I)
- S(c);N_PINQ(F)::QAR1(F)
- S(c);N_PINQ(F)::QAB1(F)
- Refutation
- Q(b);
- Try
- S(E);
- Threat
- B(I)
- Vars
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- B(h);OGATE,XB(I)::R(H),XB(h)
- Q(b);N_PINQ(F)::QAB(F),XS(c)
- R(f);N_GUARD::R1(D),XR(f)
- R(f);N_GUARD::R1(D)
- B(h);N_GUARD::B(I)
- S(c);N_PINQ(F)::QAR1(F)
- Refutation
- Q(b);
- Try
- B(A);N_SPINQ(F)
- Threat
- DUALS(4)
- Vars
- R(d);XB(A)::QAB1(F)
- S(c);XB(A)::QAB1(F)
- Q(b);::QAB(F),XS(c)
- R(f);::QAB(F),XS(c)
- S(c);::QAR1(F)
- Refutation
- Q(b);P_PINQ(F),XB(A)
- Try
- B(I);XB(h)
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- Q(b);::B(I)
- Q(b);N_PINQ(F)::QAB(F),XS(c)
- S(c);N_PINQ(F)::QAB1(F)
- Refutation
- R(f);
- Try
- R(D);CHECK,N_SPINQ(F)
- Vars
- K(e);P-FLIGHT,XS(E)::QAB1(F)
- S(c);SBLOCK,XR(D)::QAR1(F)
- Refutation
- Q(b);P_PINQ(F),XR(D)
- Try
- R(H);CHECK,N_SPINQ(F)
- Vars
- R(d);XR(H)::QAB1(F)
- S(c);XR(H)::QAB1(F)
- Refutation
- Q(b);P_PINQ(F),XR(H)
- Try
- Q(F);CHECK
- Vars
- S(c);XQ(F)::S(J)
- Refutation
- Q(b);CHECK,XQ(F)
- Try
- Actual
- S(E);
- Threat
- B(I)
- Vars
- Q(b);CHECK,XQ(F)::S(J),XQ(b)
- B(h);OGATE,XB(I)::R(H),XB(h)
- Q(b);N_GUARD::S(E)
- Q(b);N_PINQ(F)::QAB(F),XS(c)
- R(d);N_PINQ(F)::QAB1(F)
- R(f);N_GUARD::R1(D),XR(f)
- B(h);N_GUARD::B(I)
- S(c);N_PINQ(F)::QAR1(F)
- S(c);N_PINQ(F)::QAB1(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).