MESON Chess Problem Database
Problem Display
PID: 93310 (4n3/1p5p/1K2p2P/1N4QN/1pP1k1Pp/1P2p2P/2P1n1P1/8 w - - 0 1)
Sindler, Ivan
Arbejder-Skak, 1957
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...e5
- 2.Qf5#
- 1...Sc1
- Tries
- 1.Ka5?
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...e5
- 2.Qf5#
- 1...b6+!
- 1...Sc1
- 1.Kc5?
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sd6
- 2.Sxd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 1...Sc7
- 2.Sd6#
- 2.Sf6#
- 1...Sg7
- 2.Sd6#
- 2.Sf6#
- 1...e5
- 2.Qf5#
- 1...b6+!
- 1...Sc1
- 1.Ka7?
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...e5
- 2.Qf5#
- 1...b6!
- 1...Sc1
- 1.Kxb7?
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sd4
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...e5
- 2.Qf5#
- 1...Sd6+!
- 1...Sc1
- 1.Qf6?
- threat
- 2.Qxe6#
- 1...Sd4
- 2.Qxd4#
- 2.Qf4#
- 1...Sf4
- 2.Qd4#
- 2.Qxf4#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...e5
- 2.Qf3#
- 2.Qf5#
- 1...Sxf6!
- threat
- 1.Ka5?
- Keys
- 1.Qc5!
- 1...Sd6
- 2.Sxd6#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...e5
- 2.Qd5#
- 1...Sd6
- 1.Qc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(i);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- P(f);N_GUARD::QAB1(H)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(i);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- P(f);N_GUARD::QAB1(H)
- Refutation
- P(g);CHECK
- Try
- K(J);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- P(f);N_GUARD::QAB1(H)
- Refutation
- P(g);CHECK
- Try
- K(J);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(i);N_GUARD::S(I)
- S(i);N_GUARD::S(I),XS(i)
- P(f);N_GUARD::QAB1(H)
- Refutation
- P(g);
- Try
- K(J);P-FLIGHT,XP(g)
- Vars
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(i);N_GUARD::S(I),XS(i)
- S(i);N_GUARD::S(I)
- P(f);N_GUARD::QAB1(H)
- Refutation
- S(i);CHECK
- Try
- Q(H);
- Threat
- QAR2(H),XP(f)
- Vars
- S(i);N_GUARD::S(G)
- Refutation
- S(i);XQ(H)
- Try
- Actual
- Q(H);
- Vars
- S(i);N_GUARD::S(G),XS(i)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(i);N_GUARD::S(G)
- P(f);N_GUARD::QAB1(H)
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).