MESON Chess Problem Database
Problem Display
PID: 175748 (4N3/2r5/7B/1QpBkPK1/2P5/1N2p3/4P2n/8 w - - 0 1)
van Dijk, Johannes
Haagsche Courant, 1898
#2
9 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rg7+
- 2.Bxg7#
- 1...Rc8
- 2.Bg7#
- 1...Rg7+
- Tries
- 1.Sd2?
- threat
- 2.Qb2#
- 1...Rg7+
- 2.Bxg7#
- 1...Sf3+
- 2.Sxf3#
- 1...Kd4
- 2.Qb2#
- 1...Rb7!
- threat
- 1.Sa5?
- threat
- 2.Qb2#
- 1...Rg7+
- 2.Bxg7#
- 1...Kd4
- 2.Qb2#
- 1...Rb7
- 2.Sc6#
- 1...Sf3+!
- threat
- 1.Qa6?
- threat
- 2.Qa1#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Rg7+
- 2.Bxg7#
- 1...Rc6
- 2.Qa1#
- 1...Ra7
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Rd7
- 2.Qa1#
- 2.Qe6#
- 2.Qf6#
- 1...Re7
- 2.Qa1#
- 2.Qd6#
- 2.Qf6#
- 1...Rf7
- 2.Qa1#
- 2.Qd6#
- 2.Qe6#
- 1...Sg4
- 2.Qa1#
- 2.Qd6#
- 2.Qe6#
- 1...Sf3+!
- threat
- 1.Qa5?
- threat
- 2.Qc3#
- 2.Qxc7#
- 2.Qa1#
- 1...Rg7+
- 2.Bxg7#
- 1...Rc6
- 2.Qc3#
- 2.Qa1#
- 1...Ra7
- 2.Qc3#
- 1...Rb7
- 2.Qc3#
- 2.Qa1#
- 1...Rd7
- 2.Qc3#
- 2.Qa1#
- 1...Re7
- 2.Qc3#
- 2.Qa1#
- 1...Rf7
- 2.Qc3#
- 2.Qa1#
- 1...Rh7
- 2.Qc3#
- 2.Qa1#
- 1...Rc8
- 2.Bg7#
- 2.Qc3#
- 2.Qa1#
- 1...Sf3+!
- threat
- 1.Qxc5?
- threat
- 2.Bc6#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 2.Qxc7#
- 1...Rg7+
- 2.Bxg7#
- 1...Rxc5
- 2.Bg7#
- 1...Rc6
- 2.Bxc6#
- 2.Qxe3#
- 2.Qd4#
- 1...Ra7
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 1...Rb7
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bxb7#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 1...Rd7
- 2.Qxe3#
- 2.Qd4#
- 1...Re7
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 2.Qxe7#
- 1...Rf7
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 1...Rh7
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 1...Rc8
- 2.Bc6#
- 2.Bg7#
- 2.Qxe3#
- 2.Qd4#
- 2.Qd6#
- 2.Qe7#
- 1...Sf1
- 2.Bc6#
- 2.Qd4#
- 2.Qd6#
- 2.Qxc7#
- 1...Sg4
- 2.Bc6#
- 2.Qd4#
- 2.Qd6#
- 2.Qxc7#
- 1...Sf3+!
- threat
- 1.Qb8?
- threat
- 2.Bg7#
- 2.Qxc7#
- 1...Sg4
- 2.Qxc7#
- 1...Sf3+!
- threat
- 1.Sd2?
- Keys
- 1.Sd4!
- 1...Rg7+
- 2.Bxg7#
- 1...Sf3+
- 2.Sxf3#
- 1...Kxd4
- 2.Qb2#
- 1...cxd4
- 2.Bc6#
- 1...Rb7
- 2.Sc6#
- 1...Rc6
- 2.Sxc6#
- 1...Ra7
- 2.Sc6#
- 1...Rd7
- 2.Sc6#
- 1...Re7
- 2.Sc6#
- 1...Rf7
- 2.Sc6#
- 1...Rh7
- 2.Sc6#
- 1...Rc8
- 2.Bg7#
- 1...Sf1
- 2.Sf3#
- 1...Sg4
- 2.Sf3#
- 1...Rg7+
- 1.Sd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- R(e);CHECK,N_GUARD::B(H),XR(e)
- R(e);N_GUARD::B(H)
- Tries
- Try
- S(B);
- Threat
- QAB(D)
- Vars
- R(e);CHECK,N_GUARD::B(H),XR(e)
- S(a);CHECK,N_GUARD::S(B),XS(a)
- K(d);S_FLIGHT::QAB(D)
- Refutation
- R(e);
- Try
- S(B);
- Threat
- QAB(D)
- Vars
- R(e);CHECK,N_GUARD::B(H),XR(e)
- K(d);S_FLIGHT::QAB(D)
- R(e);N_GUARD::S(B)
- Refutation
- S(a);CHECK
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- R(e);CHECK,N_GUARD::B(H),XR(e)
- R(e);::QAB(D)
- Refutation
- S(a);CHECK
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,N_GUARD::B(H),XR(e)
- R(e);::QAB(D)
- Refutation
- S(a);CHECK
- Try
- Q(D);XP(c)
- Threat
- DUALS(5)
- Vars
- R(e);CHECK,N_GUARD::B(H),XR(e)
- R(e);N_GUARD,XQ(D)::B(H)
- Refutation
- S(a);CHECK
- Try
- Q(D);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(a);::QAB(D),XR(e)
- Refutation
- S(a);CHECK
- Try
- Actual
- S(B);
- Vars
- R(e);CHECK,N_GUARD::B(H),XR(e)
- S(a);CHECK,N_GUARD::S(B),XS(a)
- K(d);OGATEB,S_FLIGHT,XS(B)::QAB(D)
- P(c);OGATEB,SBLOCK,XS(B)::QAR(D)+B(E)
- R(e);N_GUARD::S(B)
- R(e);N_GUARD::S(B),XR(e)
- R(e);N_GUARD::B(H)
- S(a);N_GUARD::S(B)
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).