MESON Chess Problem Database
Problem Display
PID: 207081 (b2bN3/1np1R3/2q2p1K/pP1k1P2/5P1p/BP2Pn2/4r3/Q2N4 w - - 0 1)
Lindner, Laszlo
Il Problema, 1957
#2
11 + 11
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qd7
- 2.Sc3#
- 2.Sxf6#
- 1...Qxe8
- 2.Sc3#
- 1...Qc1
- 2.Sxf6#
- 1...Qc2
- 2.Sxf6#
- 1...Qc3
- 2.Sxc3#
- 1...Qc4
- 2.Sxf6#
- 1...Qa6
- 2.Sc3#
- 1...Qb6
- 2.Sc3#
- 1...Qd6
- 2.Sc3#
- 1...Qe6
- 2.Sc3#
- 1...Ra2
- 2.e4#
- 1...Rc2
- 2.e4#
- 1...Rd2
- 2.e4#
- 1...Rf2
- 2.e4#
- 1...Rg2
- 2.e4#
- 1...Rh2
- 2.e4#
- 1...Rxe3
- 2.Sxe3#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc5
- 2.Sc3#
- 1...Sd6
- 2.Sxf6#
- 1...Qd7
- Tries
- 1.Re5+?
- 1...Sxe5
- 2.Qd4#
- 1...fxe5+!
- 1...Sxe5
- 1.Qc3?
- threat
- 2.Qxc6#
- 1...Qxb5
- 2.Sxf6#
- 1...Qxe8
- 2.Qc4#
- 1...Qxc3
- 2.Sxc3#
- 1...Rxe3
- 2.Sxe3#
- 1...Qe6
- 2.Qc4#
- 1...Se5
- 2.Qd4#
- 1...Qd7
- 2.Sxf6#
- 2.Qc4#
- 1...Qc4
- 2.Sxf6#
- 2.Qxc4#
- 2.bxc4#
- 1...Qa6
- 2.Qc4#
- 1...Qb6
- 2.Qc4#
- 1...Qd6
- 2.Qc4#
- 1...Rc2
- 2.e4#
- 1...Sd4
- 2.Qxd4#
- 1...Sc5
- 2.Qc4#
- 1...Sd6
- 2.Sxf6#
- 1...Qc5!
- threat
- 1.Re5+?
- Keys
- 1.Qxf6!
- threat
- 2.Qxc6#
- 1...Qxf6+
- 2.Sxf6#
- 1...Qxb5
- 2.Sc3#
- 2.Qe6#
- 1...Qxe8
- 2.Sc3#
- 2.Qe6#
- 1...Rxe3
- 2.Sxe3#
- 1...Qe6
- 2.Sc3#
- 2.Qxe6#
- 1...Se5
- 2.Rxe5#
- 1...Qd7
- 2.Sc3#
- 1...Qc1
- 2.Qe6#
- 2.Qf7#
- 1...Qc2
- 2.Qe6#
- 2.Qf7#
- 1...Qc3
- 2.Sxc3#
- 2.Qe6#
- 2.Qf7#
- 1...Qc4
- 2.Qe6#
- 2.Qf7#
- 1...Qc5
- 2.Qe6#
- 2.Qf7#
- 1...Qa6
- 2.Sc3#
- 1...Qb6
- 2.Sc3#
- 1...Qd6
- 2.Sc3#
- 1...Rc2
- 2.e4#
- 1...Sd4
- 2.Re5#
- 1...Sc5
- 2.Sc3#
- 1...Sd6
- 2.Qe6#
- threat
- 1.Qxf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 16
- Sets
- Q(f);N_GUARD,XS(K)::S(B)
- Q(f);N_GUARD::S(K),XP(g)
- Q(f);N_GUARD::S(B),XQ(f)
- Q(f);N_GUARD::S(B)
- R(a);N_GUARD::P(E)
- R(a);XP(E)::S(B),XR(a)
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(h);S_CUTQ(f)::S(B)
- S(h);S_CUTQ(f)::S(K),XP(g)
- Tries
- Try
- R(J);CHECK
- Vars
- S(b);XR(J)::QAR1(A)
- Refutation
- P(g);CHECK,XR(J)
- Try
- Q(A);
- Threat
- QAB1(A),XQ(f)
- Vars
- Q(f);N_GUARD,XP(G)::S(K),XP(g)
- Q(f);N_GUARD,XS(K)::QAB1(A)
- Q(f);XQ(A)::S(B),XQ(f)
- R(a);XP(E)::S(B),XR(a)
- Q(f);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAR1(A)
- R(a);N_GUARD::P(E)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(h);S_CUTQ(f)::QAB1(A)
- S(h);S_CUTQ(f)::S(K),XP(g)
- Refutation
- Q(f);
- Try
- Actual
- Q(A);P_SPINQ(A),XP(g)
- Threat
- QAB1(A),XQ(f)
- Vars
- Q(f);CHECK,XQ(A)::S(K),XQ(f)
- R(a);XP(E)::S(B),XR(a)
- S(b);N_GUARD::R1(J),XS(b)
- Q(f);N_GUARD,N_PINQ(A)::S(B)
- Q(f);N_GUARD::S(B)
- R(a);N_GUARD::P(E)
- S(b);N_GUARD::R1(J)
- S(h);S_CUTQ(f)::S(B)
- S(h);N_PINQ(A),S_CUTQ(f)::QAB1(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).