MESON Chess Problem Database
Problem Display
PID: 93201 (4R3/1NQ4K/rn3p2/3k1p2/2pB4/bP6/2n1N3/8 w - - 0 1)
Hartong, Jan
Arbejder-Skak, 1954
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qd6#
- 2.Qc5#
- 1...Bb2
- 2.Qd6#
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Bd6
- 2.Qxd6#
- 1...Sb4
- 2.Qd6#
- 2.Qc5#
- 1...Sxd4
- 2.Sc3#
- 2.Sf4#
- 1...Sa4
- 2.Qxc4#
- 2.bxc4#
- 1...Sd7
- 2.Qxc4#
- 2.bxc4#
- 1...Sa8
- 2.Qxc4#
- 2.bxc4#
- 1...Sc8
- 2.Qxc4#
- 2.bxc4#
- 1...Bc1
- Tries
- 1.Sd8?
- threat
- 2.Qc6#
- 1...Sxd4
- 2.Sc3#
- 2.Sf4#
- 1...Sb4
- 2.Qc5#
- 1...Sa4
- 2.bxc4#
- 1...Sd7
- 2.bxc4#
- 1...Sa8
- 2.bxc4#
- 1...Sc8
- 2.bxc4#
- 1...Ra7!
- threat
- 1.Bc3?
- threat
- 2.Sf4#
- 1...Bc1
- 2.Qd6#
- 2.Qc5#
- 1...Bd6
- 2.Qxd6#
- 1...f4
- 2.Sxf4#
- 1...Be7!
- threat
- 1.Bc5?
- threat
- 2.Sc3#
- 2.Sf4#
- 2.Qd6#
- 1...Bxc5
- 2.Qxc5#
- 1...Bc1
- 2.Sc3#
- 2.Qd6#
- 1...Bb2
- 2.Sf4#
- 2.Qd6#
- 1...Bb4
- 2.Sf4#
- 2.Qd6#
- 1...Sa4
- 2.Sf4#
- 1...Sd7
- 2.Sc3#
- 2.Sf4#
- 1...Sa8
- 2.Sc3#
- 2.Sf4#
- 1...Sc8
- 2.Sc3#
- 2.Sf4#
- 1...c3
- 2.Sxc3#
- 2.Sf4#
- 2.Qd6#
- 1...f4
- 2.Sc3#
- 2.Sxf4#
- 2.Qd6#
- 1...cxb3!
- threat
- 1.Bxb6?
- threat
- 2.Sc3#
- 2.Sf4#
- 2.Qxc4#
- 2.bxc4#
- 1...Rxb6
- 2.Qxc4#
- 2.bxc4#
- 1...cxb3
- 2.Sc3#
- 2.Sf4#
- 1...Ra4
- 2.Sc3#
- 2.Sf4#
- 1...Bc1
- 2.Sc3#
- 2.Qd6#
- 2.Qxc4#
- 2.Qc5#
- 2.Qd7#
- 2.bxc4#
- 1...Bb2
- 2.Sf4#
- 2.Qd6#
- 2.Qxc4#
- 2.Qc5#
- 2.Qd7#
- 2.bxc4#
- 1...Bb4
- 2.Sf4#
- 2.Qxc4#
- 2.bxc4#
- 1...Bc5
- 2.Qxc5#
- 1...Bd6
- 2.Sc3#
- 2.Qxd6#
- 2.Qxc4#
- 2.bxc4#
- 1...Se3
- 2.Sc3#
- 2.Sf4#
- 1...c3
- 2.Sxc3#
- 2.Sf4#
- 2.Qc4#
- 1...f4
- 2.Sc3#
- 2.Sxf4#
- 2.Qxc4#
- 2.bxc4#
- 1...Be7!
- threat
- 1.Bxf6?
- threat
- 2.Sc3#
- 2.Sf4#
- 2.Re5#
- 1...Bc1
- 2.Sc3#
- 2.Re5#
- 2.Qd6#
- 2.Qc5#
- 1...Bb2
- 2.Sf4#
- 2.Qd6#
- 2.Qc5#
- 1...Bb4
- 2.Sf4#
- 2.Re5#
- 1...Bd6
- 2.Sc3#
- 2.Qxd6#
- 1...Sa4
- 2.Sf4#
- 2.Re5#
- 2.Qxc4#
- 2.bxc4#
- 1...Sd7
- 2.Sc3#
- 2.Sf4#
- 2.Qxc4#
- 2.bxc4#
- 1...c3
- 2.Sxc3#
- 2.Sf4#
- 2.Re5#
- 1...f4
- 2.Sc3#
- 2.Sxf4#
- 2.Re5#
- 1...Be7!
- threat
- 1.Qd7+?
- 1...Bd6
- 2.Qxd6#
- 1...Sxd7!
- 1...Bd6
- 1.Sd8?
- Keys
- 1.Re6!
- threat
- 2.Qc6#
- 1...Kxe6
- 2.Sf4#
- 1...Sxd4
- 2.Sf4#
- 1...Bd6
- 2.Qxd6#
- 1...Sb4
- 2.Qd6#
- 1...Sa4
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sa8
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- B(b);N_GUARD::QAR1(E),XB(b)
- Tries
- Try
- S(D);
- Threat
- QAB1(E)
- Vars
- S(a);S_CUTB(b)::QAR1(E)
- S(g);N_GUARD::P(B),XP(c)
- Refutation
- R(f);P_PINQ(E)
- Try
- B(C);
- Threat
- S(A)
- Vars
- B(b);N_GUARD::QAR1(E),XB(b)
- P(e);::S(A),XP(e)
- Refutation
- B(b);
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- B(b);OGATE,XB(C)::QAR1(E),XB(b)
- S(g);::S(A)
- Refutation
- P(c);XP(B)
- Try
- B(C);XS(g)
- Threat
- DUALS(4)
- Vars
- B(b);N_GUARD::QAR1(E),XB(b)
- Refutation
- B(b);
- Try
- B(C);XP(h)
- Threat
- DUALS(3)
- Refutation
- B(b);
- Try
- Q(E);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(E),XB(b)
- Refutation
- S(g);XQ(E)
- Try
- Actual
- R(G);
- Threat
- QAB1(E)
- Vars
- K(d);S_FLIGHT,XR(G)::S(A)
- S(a);SBLOCK,XB(C)::S(A)
- B(b);N_GUARD::QAR1(E),XB(b)
- S(a);S_CUTB(b)::QAR1(E)
- S(g);N_GUARD::QAB1(E),XP(c)
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).