MESON Chess Problem Database
Problem Display
PID: 175440 (5R2/1p1r2pN/1P1P4/1K1k1P1Q/3p1B2/1p1P4/6b1/1B6 w - - 0 1)
van Dijk, Johannes
Tijdschrift vd NSB, 1899
#2
10 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rf7
- 2.Qxf7#
- 1...Rd8
- 2.Qf7#
- 1...Bf1
- 2.Qf3#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Bh3
- 2.Qf3#
- 1...Be4
- 2.dxe4#
- 1...b2
- 2.Ba2#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rf7
- Tries
- 1.Qd1?
- threat
- 2.Qxb3#
- 1...b2
- 2.Ba2#
- 2.Qb3#
- 1...Rc7!
- threat
- 1.Qe2?
- threat
- 2.Qxg2#
- 2.Qe5#
- 2.Qe6#
- 1...Rxd6
- 2.Qxg2#
- 2.Qe5#
- 1...Bf1
- 2.Qf3#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Bh1
- 2.Qe5#
- 2.Qe6#
- 1...Bf3
- 2.Qxf3#
- 2.Qe5#
- 2.Qe6#
- 1...Bh3
- 2.Qf3#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Be4
- 2.Qxe4#
- 2.dxe4#
- 1...Re7!
- threat
- 1.Qg6?
- threat
- 2.Qxg2#
- 2.Qe6#
- 1...Rxd6
- 2.Qxg2#
- 2.Qxd6#
- 1...Bf1
- 2.Qe6#
- 1...Bh1
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- 1...Bh3
- 2.Qe6#
- 1...Be4
- 2.Qe6#
- 2.dxe4#
- 1...Re7!
- threat
- 1.Qe8?
- threat
- 2.Qe5#
- 2.Qe6#
- 1...Rxd6
- 2.Qe5#
- 1...Re7!
- threat
- 1.Qh6?
- threat
- 2.Qe6#
- 1...Rxd6
- 2.Qxd6#
- 1...gxh6
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Re7!
- threat
- 1.f6+?
- 1...Ke6
- 2.Qe5#
- 1...g5!
- 1...Ke6
- 1.Qd1?
- Keys
- 1.Rd8!
- 1...Rxd6
- 2.Rxd6#
- 2.Qf7#
- 1...Rxd8
- 2.Qf7#
- 1...Rc7
- 2.dxc7#
- 1...Re7
- 2.dxe7#
- 1...Rf7
- 2.Qxf7#
- 1...Bf1
- 2.Qf3#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Qxf3#
- 1...Bh3
- 2.Qf3#
- 1...Be4
- 2.dxe4#
- 1...b2
- 2.Ba2#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rxd6
- 1.Rd8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::QAB(F),XR(f)
- R(f);N_GUARD::QAB(F)
- B(a);N_GUARD,P_PINP(B)::QAB(F)
- B(a);OGATEB::QAB(F),XB(a)
- B(a);N_GUARD::QAB(F),XB(a)
- B(a);N_GUARD::QAB(F)
- B(a);OGATE::P(B),XB(a)
- P(b);OGATEB::B(A)
- P(g);N_GUARD::S(I)
- Tries
- Try
- Q(F);
- Threat
- QAB(F),XP(b)
- Refutation
- R(f);
- Try
- Q(F);
- Threat
- DUALS(3)
- Refutation
- R(f);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(a);P_PINP(B)::QAB1(F)
- B(a);::QAB1(F)
- Refutation
- R(f);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(f);XP(H)::QAR1(F)
- Refutation
- R(f);
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- R(f);OGATE,XP(H)::QAR1(F),XR(f)
- P(g);N_GUARD,XQ(F)::S(I)
- P(g);N_GUARD::S(I)
- Refutation
- R(f);
- Try
- P(E);CHECK
- Vars
- K(d);S_FLIGHT::QAR1(F)
- Refutation
- P(g);P_SPINP(g)
- Try
- Actual
- R(J);
- Vars
- R(f);N_GUARD,XR(J)::QAB(F)
- R(f);OGATE::R(J)+P(H),XR(f)
- R(f);N_GUARD::QAB(F),XR(f)
- B(a);N_GUARD,P_PINP(B)::QAB(F)
- B(a);OGATEB::QAB(F),XB(a)
- B(a);N_GUARD::QAB(F),XB(a)
- B(a);N_GUARD::QAB(F)
- B(a);OGATE::P(B),XB(a)
- P(b);OGATEB::B(A)
- P(g);N_GUARD::S(I)
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).