MESON Chess Problem Database
Problem Display
PID: 119244 (6B1/1pp1N3/1rR2Rrn/b2Nk2b/8/Bp1K2pp/1PQ4n/8 w - - 0 1)
Zarur, Almiro Elias
5th HM., BCF 092. Ty., 1959-1960
#2
9 + 12
| 23 | Die Schwalbe | 1966 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Rce6#
- 1...Rb5
- 2.Rce6#
- 1...Rg4
- 2.Rfe6#
- 1...Rg5
- 2.Rfe6#
- 1...Rg7
- 2.Rfe6#
- 1...Rxg8
- 2.Rfe6#
- 1...Bc3
- 2.Qxc3#
- 1...Bd1
- 2.Sxg6#
- 1...Be2+
- 2.Qxe2#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...Sf3
- 2.Qe2#
- 1...Sg4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...Sxg8
- 2.Rf5#
- 1...Rb4
- Tries
- 1.Sxb6?
- threat
- 2.Sc4#
- 2.Sd7#
- 2.Rce6#
- 2.Qc5#
- 1...Be2+
- 2.Qxe2#
- 1...Bxb6
- 2.Rce6#
- 1...bxc2
- 2.Sc4#
- 2.Sd7#
- 2.Rce6#
- 1...bxc6
- 2.Sd7#
- 1...cxb6
- 2.Rce6#
- 1...Sf5
- 2.Rxf5#
- 1...Rg4
- 2.Sd7#
- 2.Rce6#
- 2.Qc5#
- 1...Bc3
- 2.Sc4#
- 2.Sd7#
- 2.Rce6#
- 2.Qxc3#
- 1...Bb4
- 2.Sc4#
- 2.Sd7#
- 2.Rce6#
- 1...Bf3
- 2.Sc4#
- 2.Sd7#
- 2.Sxg6#
- 2.Rce6#
- 1...Bg4
- 2.Sc4#
- 2.Sxg6#
- 2.Qc5#
- 1...Rxf6!
- threat
- 1.Rc4?
- threat
- 2.Re4#
- 1...Be2+
- 2.Qxe2#
- 1...Rb4
- 2.Qc3#
- 1...Bf3
- 2.Sxg6#
- 1...Rg4!
- threat
- 1.Rf4?
- threat
- 2.Re4#
- 1...Be2+
- 2.Qxe2#
- 1...Rg4
- 2.Qe2#
- 1...Bf3
- 2.Sxg6#
- 1...Rb4!
- threat
- 1.Qd2?
- threat
- 2.Qe3#
- 2.Qf4#
- 1...Be2+
- 2.Qxe2#
- 1...Rxf6
- 2.Qe3#
- 1...Rb4
- 2.Rce6#
- 1...Rg4
- 2.Rfe6#
- 1...Bf3
- 2.Sxg6#
- 2.Qf4#
- 1...Sf1
- 2.Qf4#
- 1...S2g4
- 2.Qf4#
- 1...S6g4
- 2.Rf5#
- 2.Qf4#
- 1...Sf5
- 2.Rxf5#
- 2.Qf4#
- 1...Bxd2!
- threat
- 1.Qf2?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.Qf4#
- 1...Be2+
- 2.Qxe2#
- 1...Rxf6
- 2.Qe3#
- 2.Qd4#
- 2.Qxf6#
- 1...Rb4
- 2.Rce6#
- 1...Rg4
- 2.Rfe6#
- 1...Bd2
- 2.Qd4#
- 1...Bc3
- 2.Qe3#
- 2.Qf4#
- 1...Bf3
- 2.Sxg6#
- 2.Qd4#
- 1...Sf1
- 2.Qd4#
- 2.Qf4#
- 1...Sf3
- 2.Qe3#
- 2.Qe2#
- 1...S2g4
- 2.Qxg3#
- 2.Qd4#
- 2.Qf4#
- 1...S6g4
- 2.Rf5#
- 2.Qxg3#
- 2.Qd4#
- 2.Qf4#
- 2.Qf5#
- 1...Sf5
- 2.Rxf5#
- 2.Qf4#
- 2.Qxf5#
- 1...gxf2!
- threat
- 1.Qg2?
- threat
- 2.Qe4#
- 1...Be2+
- 2.Qxe2#
- 1...Rb4
- 2.Rce6#
- 1...Rg4
- 2.Rfe6#
- 1...Bf3
- 2.Sxg6#
- 1...Sf3
- 2.Qe2#
- 1...hxg2!
- threat
- 1.Qc4?
- threat
- 2.Qd4#
- 2.Qe4#
- 2.Qf4#
- 1...Rxf6
- 2.Qd4#
- 2.Qe4#
- 1...Rb4
- 2.Rce6#
- 1...Rg4
- 2.Rfe6#
- 1...Bd2
- 2.Qd4#
- 2.Qe4#
- 1...Bc3
- 2.Qxc3#
- 2.Qe4#
- 2.Qf4#
- 1...Bf3
- 2.Sxg6#
- 2.Qd4#
- 2.Qf4#
- 1...Sf3
- 2.Qe4#
- 2.Qf4#
- 1...Sf5
- 2.Rxf5#
- 2.Qe4#
- 2.Qf4#
- 1...Be2+!
- threat
- 1.Qc5?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Qe3#
- 2.Qd4#
- 1...Rxc6
- 2.Qe3#
- 2.Qd4#
- 1...Rxf6
- 2.Qe3#
- 2.Qd4#
- 1...bxc6
- 2.Qe3#
- 2.Qd4#
- 1...Rb4
- 2.Sc3#
- 2.Se3#
- 2.Sxb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sxc7#
- 2.Rce6#
- 1...Rb5
- 2.Rce6#
- 2.Qe3#
- 2.Qd4#
- 1...Ra6
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sxc7#
- 2.Qe3#
- 2.Qd4#
- 1...Rg4
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Rfe6#
- 1...Bd2
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Qd4#
- 1...Bc3
- 2.Sxc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Qe3#
- 2.Qxc3#
- 1...Bb4
- 2.Sxb4#
- 2.Qe3#
- 2.Qd4#
- 1...Bf3
- 2.Sxg6#
- 2.Qd4#
- 1...Sf1
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Qd4#
- 1...Sf3
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Qe3#
- 1...S2g4
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Qd4#
- 1...S6g4
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sxc7#
- 2.Rf5#
- 2.Qd4#
- 1...Sf5
- 2.Rxf5#
- 1...Be2+!
- threat
- 1.Sxb6?
- Keys
- 1.Bc5!
- threat
- 2.Bd4#
- 1...Be2+
- 2.Qxe2#
- 1...Rb4
- 2.Rce6#
- 1...Rg4
- 2.Rfe6#
- 1...Bc3
- 2.Qxc3#
- 1...Sf3
- 2.Qe2#
- 1...Sf5
- 2.Rxf5#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(h);N_GUARD::R1(F)
- R(i);N_GUARD::R1(G)
- R(i);N_GUARD,XB(I)::R1(G)
- B(e);N_GUARD::QAB(B),XB(e)
- B(g);N_GUARD::S(H),XR(i)
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- S(a);S_CUTB(g)::QAR(B)
- S(j);N_GUARD::R1(G)
- S(j);N_GUARD::R1(G),XS(j)
- S(j);N_GUARD,XB(I)::R1(G)
- Tries
- Try
- S(E);XR(h)
- Threat
- DUALS(4)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- B(e);XS(E)::R1(F)
- P(k);XR(F)::S(E)
- P(l);XS(E)::R1(F)
- S(j);N_GUARD::R1(G),XS(j)
- Refutation
- R(i);XR(G)
- Try
- R(F);
- Threat
- R1(F)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- R(h);S_CUTB(e)::QAB(B)
- B(g);N_GUARD::S(H),XR(i)
- Refutation
- R(i);
- Try
- R(G);
- Threat
- R1(G)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- R(i);S_CUTB(g)::QAR(B)
- B(g);N_GUARD::S(H),XR(i)
- Refutation
- R(h);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- R(i);XR(G)::QAR2(B)
- R(h);N_GUARD::R1(F)
- R(i);N_GUARD::R1(G)
- S(a);::QAB1(B)
- Refutation
- B(e);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- R(h);N_GUARD::R1(F)
- R(i);N_GUARD::R1(G)
- B(e);::QAB1(B)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- R(h);N_GUARD::R1(F)
- R(i);N_GUARD::R1(G)
- B(g);N_GUARD::S(H),XR(i)
- S(a);S_CUTB(g)::QAR(B)
- Refutation
- P(d);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(h);N_GUARD::R1(F)
- R(i);N_GUARD::R1(G)
- Refutation
- B(g);CHECK
- Try
- Q(B);
- Threat
- DUALS(8)
- Vars
- S(j);N_GUARD::R1(G),XS(j)
- Refutation
- B(g);CHECK
- Try
- Actual
- B(C);
- Threat
- B(C)
- Vars
- B(g);CHECK,N_GUARD::QAR(B),XB(g)
- R(h);N_GUARD::R1(F)
- R(i);N_GUARD::R1(G)
- B(e);N_GUARD::QAB(B),XB(e)
- S(a);S_CUTB(g)::QAR(B)
- S(j);N_GUARD::R1(G),XS(j)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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