MESON Chess Problem Database
Problem Display
PID: 78211 (Q7/3N2pK/2R5/1p2P1B1/2Pbk3/5qRB/p3p3/nb6 w - - 0 1)
Touw Hian Bwee
2nd Prize, Schakend Nederland, 1972
#2
9 + 9
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qg2
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qg4
- 2.Rf6#
- 1...Qh5+
- 2.Rh6#
- 1...Qf1
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qf2
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qa3
- 2.Ra6#
- 1...Qb3
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qc3
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qd3
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qf4
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Qf5+
- 2.Rg6#
- 1...Qf6
- 2.Rd6#
- 2.Re6#
- 2.Rxf6#
- 1...Qf7
- 2.Re6#
- 1...Qf8
- 2.Rc8#
- 1...Bd3
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Bg1
- 2.Rd6#
- 1...Bb2
- 2.Rd6#
- 1...Bf2
- 2.Rd6#
- 1...Bc3
- 2.Rd6#
- 1...Be3
- 2.Rd6#
- 1...Bc5
- 2.Rd6#
- 1...Bxe5
- 2.Rd6#
- 1...Bb6
- 2.Rd6#
- 1...Ba7
- 2.Rd6#
- 1...Qh1
- Tries
- 1.Bf5+?
- 1...Qxf5+
- 2.Rg6#
- 1...Kxf5!
- 1...Qxf5+
- 1.Rxf3?
- threat
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rcf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rc7#
- 2.Rc8#
- 1...Bxe5
- 2.Rd6#
- 1...Bg1
- 2.Rd6#
- 1...Bb2
- 2.Rd6#
- 1...Bf2
- 2.Rd6#
- 1...Bc3
- 2.Rd6#
- 1...Be3
- 2.Rd6#
- 1...Bc5
- 2.Rd6#
- 1...Bb6
- 2.Rd6#
- 1...Ba7
- 2.Rd6#
- 1...g6
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Re6#
- 2.Rcf6#
- 2.Rxg6#
- 2.Rc7#
- 2.Rc8#
- 1...Kxf3+!
- threat
- 1.Bf5+?
- Keys
- 1.cxb5!
- threat
- 2.Rc3#
- 1...Kd5+
- 2.Rc2#
- 1...Qh5+
- 2.Rh6#
- 1...Qf5+
- 2.Rg6#
- 1...Kd3
- 2.Bf5#
- 1...Bxe5
- 2.Rd6#
- 1...Bg1
- 2.Rd6#
- 1...Bb2
- 2.Rd6#
- 1...Bf2
- 2.Rd6#
- 1...Bc3
- 2.Rd6#
- 1...Be3
- 2.Rd6#
- 1...Bc5
- 2.Rd6#
- 1...Bb6
- 2.Rd6#
- 1...Ba7
- 2.Rd6#
- 1...Qg4
- 2.Rf6#
- 1...Qa3
- 2.Ra6#
- 1...Qb3
- 2.Rc4#
- 1...Qc3
- 2.Rcxc3#
- 2.Rc4#
- 2.Rc5#
- 1...Qf6
- 2.Rd6#
- 2.Re6#
- 2.Rxf6#
- 1...Qf7
- 2.Re6#
- 1...Qf8
- 2.Rc8#
- threat
- 1.cxb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(e);::QAB(I)+R(F)
- Q(e);CHECK::QAB(I)+R(F)
- B(f);::QAB(I)+R(F)
- B(f);XP(D)::QAB(I)+R(F)
- Tries
- Try
- B(B);CHECK
- Vars
- Q(e);CHECK,SBLOCK,XB(B)::QAB(I)+R(F)
- Refutation
- K(g);S_FLIGHT,XB(B)
- Try
- R(A);XQ(e)
- Threat
- DUALS(10)
- Vars
- B(f);XP(D)::QAB(I)+R(F)
- B(f);::QAB(I)+R(F)
- Refutation
- K(g);CHECK,S_FLIGHT,XR(A)
- Try
- Actual
- P(C);XP(h)
- Threat
- QAB(I)+R(F)
- Vars
- K(g);CHECK,S_FLIGHT::QAB(I)+R(F)
- Q(e);CHECK::QAB(I)+R(F)
- K(g);P_SPINQ(e),S_FLIGHT::B(B)
- B(f);XP(D)::QAB(I)+R(F)
- B(f);::QAB(I)+R(F)
- Q(e);::QAB(I)+R(F)
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).