MESON Chess Problem Database
Problem Display
PID: 171985 (1Kn1N1nq/B1P3r1/8/QP1kPpN1/5P1r/p3p3/2p5/3b1Bb1 w - - 0 1)
Apro, Laszlo
Hlas l'udu, 1974
#2
10 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7
- 2.Sxc7#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...a2
- 2.Qxa2#
- 1...Rxc7
- Tries
- 1.Qc3?
- threat
- 2.Bc4#
- 2.Qd4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Rxf4
- 2.Qc5#
- 1...Rxg5
- 2.Qc4#
- 2.Qc6#
- 1...Rxc7
- 2.Sxc7#
- 2.Qd4#
- 2.Qd3#
- 1...Sxa7
- 2.Qc4#
- 1...c1Q
- 2.Bc4#
- 2.Qd4#
- 2.Qd3#
- 1...c1S
- 2.Bc4#
- 2.Qd4#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...c1B
- 2.Bc4#
- 2.Qd4#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...c1R
- 2.Bc4#
- 2.Qd4#
- 2.Qd3#
- 1...Qh6
- 2.Bc4#
- 2.Qd4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 1...Rh6
- 2.Bc4#
- 2.Qd4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 1...Rg6
- 2.Bc4#
- 2.Qd4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 1...Be2
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...Sd6
- 2.Qd4#
- 2.Qd3#
- 2.Qc5#
- 2.Qc6#
- 1...Sce7
- 2.Bc4#
- 2.Qd4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 1...Sge7
- 2.Sf6#
- 2.Bc4#
- 2.Qd4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 1...e2
- 2.Bg2#
- 2.Qb3#
- 2.Qc6#
- 1...Sb6!
- threat
- 1.Qb6?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 2.Qe6#
- 2.Qb7#
- 1...Rxf4
- 2.Qc5#
- 2.Qe6#
- 1...Rxg5
- 2.Qc6#
- 1...Rxc7
- 2.Sxc7#
- 2.Qd4#
- 2.Qe6#
- 1...Sxa7
- 2.Qd6#
- 1...Be2
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 2.Qe6#
- 1...e2
- 2.Qc6#
- 2.Qe6#
- 1...c1Q
- 2.Qd4#
- 2.Qe6#
- 1...c1R
- 2.Qd4#
- 2.Qe6#
- 1...Qh6
- 2.Qd4#
- 2.Qc5#
- 1...Rh6
- 2.Qd4#
- 2.Qc5#
- 1...Rg6
- 2.Qd4#
- 2.Qc5#
- 1...Re7
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 2.Qb7#
- 1...Sd6
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 2.Qxd6#
- 1...Sce7
- 2.Qd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qe6#
- 1...Sge7
- 2.Sf6#
- 2.Qd4#
- 2.Qc5#
- 2.Qe6#
- 1...Sxb6!
- threat
- 1.Qxa3?
- threat
- 2.Qc5#
- 2.Qa2#
- 2.Qb3#
- 2.Qd3#
- 1...Rxf4
- 2.Qc5#
- 1...Rxc7
- 2.Sxc7#
- 2.Qd3#
- 1...Sxa7
- 2.Qd6#
- 1...Be2
- 2.Qc5#
- 1...Sb6
- 2.Qd6#
- 1...e2
- 2.Qa2#
- 2.Qb3#
- 1...c1Q
- 2.Qd3#
- 1...c1S
- 2.Qc5#
- 1...c1B
- 2.Qc5#
- 2.Qd3#
- 1...c1R
- 2.Qd3#
- 1...Sd6
- 2.Qc5#
- 2.Qxd6#
- 2.Qd3#
- 1...Rxg5!
- threat
- 1.b6+?
- 1...Kc6
- 2.Qb5#
- 1...Kd4!
- 1...Kc6
- 1.Qc3?
- Keys
- 1.Qb4!
- threat
- 2.Bc4#
- 2.Qc5#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 1...Rxf4
- 2.Qc5#
- 1...Rxg5
- 2.Qc4#
- 1...Rxc7
- 2.Sxc7#
- 2.Qd4#
- 1...Sxa7
- 2.Qd6#
- 2.Qc4#
- 1...c1Q
- 2.Qd4#
- 1...c1S
- 2.Bc4#
- 2.Qc5#
- 2.Qc4#
- 2.Qd4#
- 1...c1B
- 2.Bc4#
- 2.Qc5#
- 2.Qc4#
- 2.Qd4#
- 1...c1R
- 2.Qd4#
- 1...Be2
- 2.Qc5#
- 2.Qd4#
- 1...Sb6
- 2.Qd6#
- 1...Sd6
- 2.Qc5#
- 2.Qxd6#
- 2.Qd4#
- 1...e2
- 2.Bg2#
- 2.Qb3#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(i);XP(H)::S(J),XR(i)
- S(k);N_GUARD::S(J),XS(k)
- S(k);N_GUARD::S(J)
- P(d);OGATE::QAB(C),XP(d)
- Tries
- Try
- Q(C);
- Threat
- DUALS(7)
- Vars
- R(f);XP(B)::QAR1(C)
- S(j);XB(G)::QAB1(C)
- Refutation
- S(j);
- Try
- Q(C);
- Threat
- DUALS(5)
- Vars
- R(i);XS(F)::QAB1(C)
- S(j);N_GUARD,XB(G)::QAR1(C)
- Refutation
- S(j);XQ(C)
- Try
- Q(C);XP(d)
- Threat
- DUALS(4)
- Vars
- R(f);XP(B)::QAR1(C)
- S(j);N_GUARD,XB(G)::QAR1(C)
- B(a);::QAR1(C)
- S(j);N_GUARD::QAR1(C)
- P(c);::QAR2(C)
- P(c);::QAR1(C)
- Refutation
- R(i);XS(F)
- Try
- P(D);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(C)
- Refutation
- K(g);P-FLIGHT
- Try
- Actual
- Q(C);
- Threat
- DUALS(5)
- Vars
- R(f);XP(B)::QAR1(C)
- R(i);XS(F)::QAB1(C)
- P(c);::QAR1(C)
- S(j);N_GUARD::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).