MESON Chess Problem Database
Problem Display
PID: 172145 (1rb5/1N2R3/4p3/1P1k4/7n/1P1P1Npq/1K4p1/Q6n w - - 0 1)
Apro, Laszlo
8th Comm., Salazar JT (Problemas), 1986
#2
8 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bd7
- 2.Rxd7#
- 1...e5
- 2.Rxe5#
- 1...Bd7
- Tries
- 1.Kc2?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...g1Q
- 2.Qe5#
- 1...g1B
- 2.Qe5#
- 1...Qg4
- 2.Qe5#
- 1...Qf5
- 2.Qd4#
- 1...Sf5
- 2.Qe5#
- 1...Sg6
- 2.Qd4#
- 1...e5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sxf3!
- threat
- 1.Qe1?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Rxb7
- 2.Qe5#
- 1...Bxb7
- 2.Qe5#
- 1...Sxf3
- 2.Qe4#
- 1...Qg4
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sg6
- 2.Qe4#
- 1...e5
- 2.Rxe5#
- 2.Qe4#
- 2.Qxe5#
- 1...Qf5!
- threat
- 1.Qg1?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...Rxb7
- 2.Qd4#
- 1...Bxb7
- 2.Rd7#
- 2.Qd4#
- 1...Sxf3
- 2.Qc5#
- 1...Qg4
- 2.Qc5#
- 1...Sf5
- 2.Qc5#
- 1...e5
- 2.Rxe5#
- 2.Qc5#
- 1...Sf2!
- threat
- 1.Qa3?
- threat
- 2.Qc5#
- 2.Qd6#
- 1...Bxb7
- 2.Rd7#
- 1...g1Q
- 2.Qd6#
- 1...g1B
- 2.Qd6#
- 1...Sf5
- 2.Qc5#
- 1...Rxb7!
- threat
- 1.Qa4?
- threat
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Rxb7
- 2.Qd4#
- 1...Bxb7
- 2.Qd4#
- 1...Sxf3
- 2.Qe4#
- 1...g1Q
- 2.Qc4#
- 2.Qe4#
- 1...g1B
- 2.Qc4#
- 2.Qe4#
- 1...Qf5
- 2.Qc4#
- 2.Qd4#
- 1...Sf2
- 2.Qc4#
- 2.Qd4#
- 1...Sf5
- 2.Qc4#
- 2.Qe4#
- 1...e5
- 2.Rxe5#
- 2.Qc4#
- 2.Qe4#
- 1...Qg4!
- threat
- 1.Qa6?
- threat
- 2.Qc6#
- 2.Qd6#
- 1...Rxb7
- 2.Qc6#
- 1...Sxf3
- 2.Qd6#
- 1...Bd7
- 2.Rxd7#
- 2.Qd6#
- 1...Sf5
- 2.Qc6#
- 1...Bxb7!
- threat
- 1.Kc2?
- Keys
- 1.Qc1!
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Rxb7
- 2.Qc6#
- 1...Bxb7
- 2.Rd7#
- 1...Sxf3
- 2.Qc5#
- 1...g1Q
- 2.Qc4#
- 2.Qc6#
- 1...g1B
- 2.Qc4#
- 2.Qc6#
- 1...Qg4
- 2.Qc5#
- 2.Qc6#
- 1...Bd7
- 2.Rxd7#
- 2.Qc4#
- 2.Qc5#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(i);N_GUARD::R(H),XB(i)
- P(g);OGATE::R1(H),XP(g)
- Tries
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- P(b);::QAR1(A)
- Q(d);::QAR1(A)
- Q(d);P_PINP(D)::QAR1(A)
- S(e);::QAR1(A)
- Refutation
- S(e);XS(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(h);XS(G)::QAR1(A)
- B(i);XS(G)::QAR1(A)
- S(e);XS(E)::QAB1(A)
- Q(d);::QAR1(A)
- S(a);::QAR1(A)
- S(e);::QAB1(A)
- Refutation
- Q(d);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(h);XS(G)::QAR1(A)
- S(e);XS(E)::QAR1(A)
- Q(d);::QAR1(A)
- S(e);::QAR1(A)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(i);N_GUARD,XS(G)::R(H)
- P(b);::QAR1(A)
- S(e);::QAR1(A)
- Refutation
- R(h);XS(G)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(h);XS(G)::QAR1(A)
- B(i);XS(G)::QAR1(A)
- S(e);XS(E)::QAB1(A)
- Refutation
- Q(d);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(h);XS(G)::QAB1(A)
- S(e);XS(E)::QAR1(A)
- S(e);::QAB1(A)
- Refutation
- B(i);XS(G)
- Try
- Actual
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(h);XS(G)::QAB1(A)
- B(i);N_GUARD,XS(G)::R(H)
- S(e);XS(E)::QAR1(A)
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).