MESON Chess Problem Database
Problem Display
PID: 95020 (2K5/3p4/3bP3/2n5/1PNk2p1/3P1QP1/BPn1PP2/8 w - - 0 1)
Radi, Ladislav
Pravda, 1975
#2
11 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.fxe3#
- 1...Sb3
- 2.Qe4#
- 1...Sxd3
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Se3
- Tries
- 1.Sd2?
- threat
- 2.Qd5#
- 1...Ke5
- 2.Qf4#
- 1...Sxb4
- 2.Qe3#
- 1...gxf3
- 2.Sxf3#
- 1...Se3
- 2.Qxe3#
- 1...Sb3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...dxe6!
- threat
- 1.Sa5?
- threat
- 2.Qd5#
- 1...Ke5
- 2.Qf4#
- 1...Sxb4
- 2.Qe3#
- 1...dxe6
- 2.Sc6#
- 1...Se3
- 2.Qxe3#
- 1...Sb3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...gxf3!
- threat
- 1.Qf4+?
- 1...Kd5
- 2.Qxd6#
- 1...Se4
- 2.Qxe4#
- 1...Bxf4!
- 1...Kd5
- 1.Qf5?
- 1...Bxg3
- 2.Qxc5#
- 1...Sxb4
- 2.e3#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxe6
- 2.Qe4#
- 1...Be5
- 2.Qxe5#
- 1...Bf4
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Be7
- 2.Qe5#
- 1...Bb8
- 2.Qxc5#
- 1...Bf8
- 2.Qe5#
- 1...Sa1
- 2.e3#
- 1...Se1
- 2.e3#
- 1...Sa3
- 2.e3#
- 1...Se3
- 2.fxe3#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...dxe6!
- 1...Bxg3
- 1.Qf6+?
- 1...Be5
- 2.Qxe5#
- 1...Kd5!
- 1...Be5
- 1.Sd2?
- Keys
- 1.Se5!
- threat
- 2.Qd5#
- 1...Kxe5
- 2.Qf4#
- 1...Sxb4
- 2.Qe3#
- 1...gxf3
- 2.Sxf3#
- 1...dxe6
- 2.Sc6#
- 1...Se3
- 2.Qxe3#
- 1...Sb3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- S(a);OGATE::P(D),XS(a)
- S(d);N_GUARD::QAR1(F)
- S(d);OGATE,XP(E)::QAR1(F),XS(d)
- S(d);N_GUARD::QAR1(F),XS(d)
- S(d);N_GUARD,XP(J)::QAR1(F)
- Tries
- Try
- S(I);
- Threat
- QAR1(F)
- Vars
- K(b);S_FLIGHT::QAB1(F)
- S(a);N_GUARD,XP(H)::QAB1(F)
- P(c);XQ(F)::S(I),XP(c)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- Refutation
- P(f);XP(J)
- Try
- S(I);
- Threat
- QAR1(F)
- Vars
- K(b);S_FLIGHT::QAB1(F)
- S(a);N_GUARD,XP(H)::QAB1(F)
- P(f);N_GUARD,XP(J)::S(I)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- Refutation
- P(c);XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(F),XB(e)
- S(d);N_GUARD,P_SPINS(d)::QAR1(F),XS(d)
- Refutation
- B(e);XQ(F)
- Try
- Q(F);
- Vars
- B(e);N_GUARD,XP(G)::QAB1(F),XS(d)
- S(a);N_GUARD,XP(H)::P(C)
- S(d);OGATE,XP(E)::QAR1(F),XS(d)
- S(d);N_GUARD,XP(J)::QAR1(F)
- B(e);N_GUARD::QAB1(F),XB(e)
- B(e);N_GUARD::QAB1(F),XS(d)
- B(e);N_GUARD::QAB1(F)
- S(a);N_GUARD::P(C)
- S(a);OGATE::P(D),XS(a)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- Refutation
- P(f);XP(J)
- Try
- Q(F);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::QAB1(F),XB(e)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- S(I);
- Threat
- QAR1(F)
- Vars
- K(b);S_FLIGHT,XS(I)::QAB1(F)
- S(a);N_GUARD,XP(H)::QAB1(F)
- P(c);XQ(F)::S(I),XP(c)
- P(f);N_GUARD,XP(J)::S(I)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
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).