MESON Chess Problem Database
Problem Display
PID: 68096 (nB2N1rr/2b2p2/1R2PP2/1K1pk1p1/6Q1/2pR4/5N2/3n1b2 w - - 0 1)
Ducak, Jan
Nedelna Pravda, 1981
#2
9 + 11
| 6424 | Czech Album (1979-1981) | 1986 |
SOLUTION
- SOUND
- Sets
- 1...Rxe8
- 2.Qxg5#
- 1...Rf8
- 2.Qxg5#
- 1...Bxd3+
- 2.Sxd3#
- 1...Bd6
- 2.Bxd6#
- 1...Sxb6
- 2.Bxc7#
- 1...d4
- 2.Qe4#
- 1...fxe6
- 2.Rxe6#
- 1...Rxe8
- Tries
- 1.Kc5?
- threat
- 2.Rxd5#
- 1...Bd6+
- 2.Bxd6#
- 1...Rxe8
- 2.Qxg5#
- 1...Bxd3
- 2.Sxd3#
- 1...Sxb6
- 2.Bxc7#
- 1...fxe6
- 2.Rxe6#
- 1...Se3
- 2.Rxe3#
- 1...d4
- 2.Qe4#
- 1...Bg2!
- threat
- 1.Kc5?
- Keys
- 1.exf7!
- threat
- 2.Re6#
- 1...Bxd3+
- 2.Sxd3#
- 1...Rxe8
- 2.Qxg5#
- 1...Sxb6
- 2.Bxc7#
- 1...d4
- 2.Qe4#
- 1...Bd6
- 2.Bxd6#
- threat
- 1.exf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(j);N_GUARD,XS(I)::QAR2(C),XP(f)
- R(j);N_GUARD::QAR2(C),XP(f)
- B(b);CHECK,XR(B)::S(A),XB(b)
- B(g);OGATE::B(H),XB(g)
- S(i);N_GUARD,XR(E)::B(H),XB(g)
- P(d);N_GUARD::QAR1(C)
- P(h);OGATE,XP(F)::R1(E),XP(h)
- Tries
- Try
- K(D);N_SPINR(B),P-FLIGHT
- Threat
- R1(B),XP(d)
- Vars
- B(g);CHECK,OGATE::B(H),XB(g)
- R(j);N_GUARD,XS(I)::QAR2(C),XP(f)
- B(b);XR(B)::S(A),XB(b)
- S(i);N_GUARD,XR(E)::B(H),XB(g)
- P(h);OGATE,XP(F)::R1(E),XP(h)
- S(a);N_GUARD::R(B),XS(a)
- P(d);N_GUARD::QAR1(C)
- Refutation
- B(b);
- Try
- Actual
- P(F);XP(h)
- Threat
- R1(E)
- Vars
- B(b);CHECK,XR(B)::S(A),XB(b)
- R(j);N_GUARD,XS(I)::QAR2(C),XP(f)
- S(i);N_GUARD,XR(E)::B(H),XB(g)
- P(d);N_GUARD::QAR1(C)
- B(g);OGATE::B(H),XB(g)
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).