MESON Chess Problem Database
Problem Display
PID: 222700 (4N3/5Q2/5pN1/5k1K/3q4/2R4P/1B2P3/8 w - - 0 1)
Klark, Dmitry Vasilevich
2nd Prize, Rainbow, 1883
#2
8 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Sd6#
- 2.Qd5#
- 1...Qf2
- 2.Sd6#
- 2.Qd5#
- 1...Qxc3
- 2.Sd6#
- 1...Qe3
- 2.Sd6#
- 1...Qb6
- 2.Qd5#
- 1...Qa7
- 2.Sd6#
- 2.Qd5#
- 1...Qa4
- 2.Sd6#
- 2.Qd5#
- 1...Qb4
- 2.Qd5#
- 1...Qc4
- 2.Sd6#
- 1...Qe4
- 2.Sd6#
- 2.Sg7#
- 2.Qxf6#
- 1...Qd5
- 2.Qxd5#
- 1...Qd6
- 2.Sxd6#
- 1...Qg1
- Tries
- 1.Re3?
- threat
- 2.Sg7#
- 2.Qe6#
- 1...Qg4+
- 2.hxg4#
- 1...Qxe3
- 2.Sd6#
- 1...Qe5
- 2.Sg7#
- 2.Rxe5#
- 1...Qb6
- 2.Sg7#
- 2.Re5#
- 2.Qd5#
- 1...Qc4
- 2.Sd6#
- 2.Sg7#
- 2.Re5#
- 2.Qxf6#
- 1...Qe4
- 2.Sd6#
- 2.Sg7#
- 2.Qxf6#
- 1...Qd5
- 2.Sg7#
- 2.Qxd5#
- 2.Qxf6#
- 1...Qd6
- 2.Sxd6#
- 2.Sg7#
- 1...Qd7
- 2.Sg7#
- 2.Re5#
- 2.Qxf6#
- 2.Qxd7#
- 1...Qh4+!
- threat
- 1.Rf3+?
- 1...Qf4
- 2.Sd6#
- 2.Rxf4#
- 2.Qd5#
- 1...Ke4!
- 1...Qf4
- 1.Qd5+?
- 1...Qe5
- 2.Sd6#
- 2.Sg7#
- 2.Rf3#
- 2.e4#
- 1...Qxd5!
- 1...Qe5
- 1.Qxf6+?
- 1...Ke4
- 2.Qf3#
- 1...Qxf6!
- 1...Ke4
- 1.e4+?
- 1...Qxe4
- 2.Sd6#
- 2.Sg7#
- 2.Qxf6#
- 1...Kxe4!
- 1...Qxe4
- 1.Re3?
- Keys
- 1.Rc4!
- 1...Qg4+
- 2.hxg4#
- 1...Qh4+
- 2.Sxh4#
- 1...Ke4
- 2.Qe6#
- 1...Qxb2
- 2.Sd6#
- 2.Sg7#
- 2.Rf4#
- 2.Qd7#
- 2.e4#
- 1...Qxc4
- 2.Sd6#
- 1...Qg1
- 2.Sh4#
- 2.Se7#
- 2.Sd6#
- 2.Sg7#
- 2.Rf4#
- 2.Qd5#
- 2.Qxf6#
- 2.Qd7#
- 2.e4#
- 1...Qf2
- 2.Se7#
- 2.Sd6#
- 2.Sg7#
- 2.Qd5#
- 2.Qxf6#
- 2.Qd7#
- 2.e4#
- 1...Qc3
- 2.Sd6#
- 2.Sg7#
- 2.Rf4#
- 2.Qd7#
- 2.e4#
- 1...Qe3
- 2.Sh4#
- 2.Sd6#
- 2.Sg7#
- 2.Qxf6#
- 1...Qc5
- 2.Sh4#
- 2.Sg7#
- 2.Rf4#
- 2.Qxf6#
- 2.Qd7#
- 2.e4#
- 1...Qe5
- 2.Sh4#
- 2.Sg7#
- 1...Qb6
- 2.Sh4#
- 2.Se7#
- 2.Sg7#
- 2.Rf4#
- 2.Qd5#
- 2.e4#
- 1...Qa7
- 2.Sh4#
- 2.Sd6#
- 2.Sg7#
- 2.Rf4#
- 2.Qd5#
- 2.Qxf6#
- 2.e4#
- 1...Qd1
- 2.Sh4#
- 2.Se7#
- 2.Sg7#
- 2.Rf4#
- 2.Qxf6#
- 1...Qd2
- 2.Sh4#
- 2.Se7#
- 2.Sg7#
- 2.Qxf6#
- 2.e4#
- 1...Qd3
- 2.Sh4#
- 2.Se7#
- 2.Sg7#
- 2.Rf4#
- 2.Qxf6#
- 1...Qe4
- 2.Sd6#
- 2.Sg7#
- 2.Qxf6#
- 1...Qf4
- 2.Se7#
- 2.Sg7#
- 2.Rxf4#
- 2.Qxf6#
- 2.Qd7#
- 1...Qd5
- 2.Sh4#
- 2.Se7#
- 2.Sg7#
- 2.Rf4#
- 2.Qxd5#
- 2.Qxf6#
- 1...Qd6
- 2.Sh4#
- 2.Sxd6#
- 2.Sg7#
- 2.e4#
- 1...Qd7
- 2.Sh4#
- 2.Sg7#
- 2.Rf4#
- 2.Qxf6#
- 2.Qxd7#
- 2.e4#
- 1...Qd8
- 2.Sh4#
- 2.Sg7#
- 2.Rf4#
- 2.e4#
- 1...Qg4+
- 1.Rc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD,XR(C)::S(H)
- Q(a);N_GUARD::S(H)
- Q(a);N_GUARD::QAR2(G)
- Q(a);N_GUARD::QAR2(G),XQ(a)
- Q(a);N_GUARD::S(H),XQ(a)
- Tries
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE::P(D),XQ(a)
- Q(a);N_GUARD,XR(C)::S(H)
- Refutation
- Q(a);CHECK
- Try
- R(C);CHECK
- Refutation
- K(b);N_SPINP(c),S_FLIGHT
- Try
- Q(G);CHECK,N_PINP(c)
- Refutation
- Q(a);XQ(G)
- Try
- Q(G);CHECK,XP(c)
- Vars
- K(b);OGATE,S_FLIGHT::QAB1(G)
- Refutation
- Q(a);XQ(G)
- Try
- P(B);CHECK
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XP(B)
- Try
- Actual
- R(C);
- Vars
- Q(a);CHECK,OGATE::P(D),XQ(a)
- Q(a);CHECK,N_GUARD::S(F),XQ(a)
- K(b);N_SPINP(c),P_SPINQ(a),S_FLIGHT::QAR2(G)
- Q(a);N_GUARD,XR(C)::S(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).