MESON Chess Problem Database
Problem Display
PID: 138930 (1BKR2B1/3Ppb2/2p5/2Nk1pnR/5np1/1N1P4/8/2b2Q2 w - - 0 1)
Hoek, Willem
Friesch Dagblad, 1973
#2
10 + 9
| 102 | Probleemblad | 1974 |
SOLUTION
- SOUND
- Sets
- 1...Sxd3
- 2.Qxd3#
- 1...Sfe6
- 2.Qxf5#
- 1...Se4
- 2.dxe4#
- 1...Sge6
- 2.Rxf5#
- 1...Sxd3
- Tries
- 1.Re8?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Bxg8
- 2.d8Q#
- 2.d8R#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh5
- 2.d8Q#
- 2.d8R#
- 1...Bb2
- 2.d8Q#
- 2.d8R#
- 1...Bd2
- 2.d8Q#
- 2.d8R#
- 1...Ba3
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.d8Q#
- 2.d8R#
- 1...Sfh3
- 2.d8Q#
- 2.d8R#
- 1...Sfe6
- 2.Qxf5#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...Sf3
- 2.d8Q#
- 2.d8R#
- 1...Sgh3
- 2.d8Q#
- 2.d8R#
- 1...Se4
- 2.dxe4#
- 1...Sge6
- 2.Rxf5#
- 1...Sh7
- 2.d8Q#
- 2.d8R#
- 1...g3
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.Rxe5#
- 2.d8Q#
- 2.d8R#
- 1...e6
- 2.d8Q#
- 2.d8R#
- 1...Be6!
- threat
- 1.Qxf4?
- threat
- 2.Qe5#
- 2.Qc4#
- 2.Qd4#
- 1...Bb2
- 2.Qc4#
- 1...Be3
- 2.Qe5#
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 2.Qe4#
- 1...Se4
- 2.Qe5#
- 2.Qxe4#
- 1...Se6
- 2.Rxf5#
- 2.Qe5#
- 2.Qc4#
- 2.Qe4#
- 2.Qxf5#
- 1...e5
- 2.Qxe5#
- 2.Qc4#
- 1...Bxf4!
- threat
- 1.Re8?
- Keys
- 1.Rf8!
- threat
- 2.d8Q#
- 2.d8R#
- 1...Bxg8
- 2.d8Q#
- 2.d8R#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh5
- 2.d8Q#
- 2.d8R#
- 1...Bb2
- 2.d8Q#
- 2.d8R#
- 1...Bd2
- 2.d8Q#
- 2.d8R#
- 1...Ba3
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.d8Q#
- 2.d8R#
- 1...Be6
- 2.Rxf5#
- 1...Se2
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.d8Q#
- 2.d8R#
- 1...Sfh3
- 2.d8Q#
- 2.d8R#
- 1...Sfe6
- 2.Qxf5#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...Sf3
- 2.d8Q#
- 2.d8R#
- 1...Sgh3
- 2.d8Q#
- 2.d8R#
- 1...Se4
- 2.dxe4#
- 1...Sge6
- 2.Rxf5#
- 1...Sh7
- 2.d8Q#
- 2.d8R#
- 1...g3
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.d8Q#
- 2.d8R#
- 1...e6
- 2.d8Q#
- 2.d8R#
- threat
- 1.Rf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);OGATE,XP(C)::QAR2(A),XS(b)
- S(b);N_SPINB(i),OGATE::QAR2(A),XP(e)
- S(f);OGATE,P_SPINP(e)::P(C),XS(f)
- S(f);N_SPINB(i),OGATE,P_SPINP(e)::R(E),XP(e)
- Tries
- Try
- R(I);
- Threat
- P=Q
- Vars
- B(i);N_SPINB(i),XB(J)::P=Q
- S(b);OGATE,XP(C)::QAR2(A),XS(b)
- S(b);XR(E)::P=Q
- B(a);::P=Q
- S(b);::P=Q
- S(b);N_SPINB(i),OGATE::QAR2(A),XP(e)
- S(f);P_SPINP(e)::P=Q
- S(f);OGATE,P_SPINP(e)::P(C),XS(f)
- S(f);N_SPINB(i),OGATE,P_SPINP(e)::R(E),XP(e)
- P(c);::P=Q
- P(h);N_SPINB(i)::P=Q
- Refutation
- B(i);P_PINP(F)
- Try
- Q(A);XS(b)
- Threat
- DUALS(3)
- Vars
- B(a);::QAB1(A)
- Refutation
- B(a);XQ(A)
- Try
- Actual
- R(I);
- Threat
- P=Q
- Vars
- B(i);N_SPINB(i),XB(J)::P=Q
- S(b);OGATE,XP(C)::QAR2(A),XS(b)
- S(b);XR(E)::P=Q
- B(a);::P=Q
- B(i);OGATE,P_PINP(F)::R(I),XP(e)
- S(b);::P=Q
- S(b);N_SPINB(i),OGATE::QAR2(A),XP(e)
- S(f);P_SPINP(e)::P=Q
- S(f);OGATE,P_SPINP(e)::P(C),XS(f)
- S(f);N_SPINB(i),OGATE,P_SPINP(e)::R(E),XP(e)
- P(c);::P=Q
- P(h);::P=Q
- P(h);N_SPINB(i)::P=Q
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).