MESON Chess Problem Database
Problem Display
PID: 55887 (1nr1b1NB/2q2p2/R7/1P1k4/1PN2r2/1P3PnB/8/2bKR1Q1 w - - 0 1)
Zarur, Almiro Elias
3rd HM., Boletim da UBP, 1964
#2
12 + 9
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Qa5
- 2.Se7#
- 2.Re5#
- 2.Rd6#
- 1...Qe5
- 2.Rxe5#
- 1...Qb6
- 2.Se7#
- 2.Re5#
- 1...Qd6
- 2.Rxd6#
- 1...Qd8
- 2.Re5#
- 1...Qxc4
- 2.Se7#
- 2.Re5#
- 1...Qc5
- 2.Re5#
- 1...Qc6
- 2.Se7#
- 2.Re5#
- 1...Qa7
- 2.Re5#
- 2.Rd6#
- 1...Qb7
- 2.Re5#
- 2.Rd6#
- 1...Qd7
- 2.Re5#
- 1...Qe7
- 2.Sxe7#
- 1...Rxf3
- 2.Qd4#
- 1...Rxc4
- 2.Sf6#
- 1...Rd4+
- 2.Qxd4#
- 1...Re4
- 2.Sf6#
- 1...Rg4
- 2.Sf6#
- 1...Rh4
- 2.Sf6#
- 1...Rf5
- 2.Qd4#
- 1...Rf6
- 2.Sxf6#
- 1...Bb2
- 2.Se3#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bc6
- 2.Qc5#
- 1...Bd7
- 2.Se7#
- 1...Se4
- 2.Qd4#
- 1...Sf5
- 2.Sf6#
- 1...Sc6
- 2.Qc5#
- 1...Sd7
- 2.Se7#
- 1...f5
- 2.Sf6#
- 1...f6
- 2.Be6#
- 1...Qa5
- Tries
- 1.Sb6+?
- 1...Kd6
- 2.Be5#
- 1...Qxb6!
- 1...Kd6
- 1.Bf5?
- threat
- 2.Sf6#
- 1...Rd4+
- 2.Qxd4#
- 1...Rxf5
- 2.Qd4#
- 1...Qe5
- 2.Rxe5#
- 1...Qb6
- 2.Se7#
- 2.Re5#
- 1...Qd6
- 2.Rxd6#
- 1...Qd8
- 2.Re5#
- 1...Qc6
- 2.Se7#
- 2.Re5#
- 1...Qe7
- 2.Sxe7#
- 1...Bb2
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Se4
- 2.Qd4#
- 1...Sd7
- 2.Se7#
- 1...f6
- 2.Sxf6#
- 2.Be6#
- 1...Sh5!
- threat
- 1.Re4?
- threat
- 2.Qd4#
- 1...Qxc4
- 2.Se7#
- 2.Re5#
- 1...Rxe4
- 2.Sf6#
- 1...Qe5
- 2.Rxe5#
- 1...Qb6
- 2.Se7#
- 2.Re5#
- 1...Qc5
- 2.Re5#
- 1...Qa7
- 2.Re5#
- 2.Rd6#
- 1...Bb2
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Sf5
- 2.Sf6#
- 1...Sc6
- 2.Qc5#
- 1...Se2!
- threat
- 1.Rc6?
- threat
- 2.Qc5#
- 1...Rd4+
- 2.Qxd4#
- 1...Qxc6
- 2.Se7#
- 2.Re5#
- 1...Rxc4
- 2.Sf6#
- 2.bxc4#
- 1...Qb6
- 2.Sxb6#
- 2.Se7#
- 2.Re5#
- 1...Qd6
- 2.Sb6#
- 2.Rxd6#
- 1...Qa7
- 2.Re5#
- 2.Rd6#
- 1...Qe7
- 2.Sb6#
- 2.Sxe7#
- 1...Be3
- 2.Sxe3#
- 1...Se4
- 2.Qd4#
- 1...Sd7
- 2.Se7#
- 1...Sa6!
- threat
- 1.Sb6+?
- Keys
- 1.Bd7!
- threat
- 2.Se7#
- 1...Rd4+
- 2.Qxd4#
- 1...Qxd7
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qd6
- 2.Rxd6#
- 1...Qd8
- 2.Re5#
- 2.Rd6#
- 1...Qc5
- 2.Re5#
- 1...Re4
- 2.Sf6#
- 1...Sf5
- 2.Sf6#
- 1...Sc6
- 2.Qc5#
- threat
- 1.Bd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- Q(e);N_GUARD::R1(B),XQ(e)
- Q(e);N_GUARD::R1(J),XQ(e)
- Q(e);N_GUARD::R1(B)
- Q(e);N_GUARD::S(K),XQ(e)
- R(c);N_GUARD,XP(E)::QAR1(C)
- R(c);N_GUARD,XS(H)::S(K)
- R(c);CHECK,N_GUARD::QAR1(C),XR(c)
- R(c);N_GUARD::S(K)
- R(c);N_GUARD::QAR1(C)
- R(c);N_GUARD::S(K),XR(c)
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- B(i);S_CUTQ(e)::QAR1(C)
- B(i);S_CUTQ(e)::S(K)
- S(b);S_CUTR(c)::QAR1(C)
- S(b);S_CUTR(c)::S(K)
- S(g);S_CUTQ(e)::QAR1(C)
- S(g);S_CUTQ(e)::S(K)
- P(f);S_CUTR(c)::S(K)
- P(f);N_GUARD::B(F)
- Tries
- Try
- S(H);CHECK
- Vars
- K(d);P-FLIGHT::B(L)
- Refutation
- Q(e);XS(H)
- Try
- B(F);
- Threat
- S(K)
- Vars
- R(c);CHECK,N_GUARD::QAR1(C),XR(c)
- R(c);N_GUARD,XB(F)::QAR1(C)
- Q(e);N_GUARD::R1(B),XQ(e)
- Q(e);N_GUARD::R1(J),XQ(e)
- Q(e);N_GUARD::R1(B)
- Q(e);N_GUARD::S(K),XQ(e)
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- S(b);S_CUTR(c)::QAR1(C)
- S(g);S_CUTQ(e)::S(K)
- Refutation
- S(b);
- Try
- R(B);
- Threat
- QAR1(C)
- Vars
- R(c);N_GUARD,XR(B)::S(K)
- Q(e);N_GUARD::R1(B),XQ(e)
- Q(e);N_GUARD::R1(B)
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- S(b);S_CUTR(c)::S(K)
- S(g);S_CUTQ(e)::QAR1(C)
- Refutation
- S(b);
- Try
- R(J);
- Threat
- QAR1(C)
- Vars
- R(c);CHECK,N_GUARD::QAR1(C),XR(c)
- B(a);N_GUARD::S(H),XB(a)
- S(b);S_CUTR(c)::QAR1(C)
- S(g);S_CUTQ(e)::S(K)
- Refutation
- S(g);
- Try
- Actual
- B(F);
- Threat
- S(K)
- Vars
- R(c);CHECK,N_GUARD::QAR1(C),XR(c)
- Q(e);N_GUARD,XB(F)::R1(B)
- Q(e);N_GUARD::R1(B),XQ(e)
- Q(e);N_GUARD::R1(J),XQ(e)
- Q(e);N_GUARD::R1(B)
- R(c);N_GUARD::S(K)
- S(b);S_CUTR(c)::S(K)
- S(g);S_CUTQ(e)::QAR1(C)
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).