MESON Chess Problem Database
Problem Display
PID: 161309 (5K2/4p1Qb/3pP3/4N1pR/1nPpkb1R/6pB/3pP3/1q2nrB1 w - - 0 1)
Apro, Laszlo
Sachove umeni (Ceskoslovensky sach), 1959
#2
10 + 13
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...gxh4
- 2.Qxh7#
- 1...g4
- 2.Qxh7#
- 1...dxe5
- 2.Qxh7#
- 1...gxh4
- Tries
- 1.Sf3?
- threat
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...Rxg1
- 2.Qxd4#
- 1...Rxf3
- 2.Qxd4#
- 1...gxh4
- 2.Qxd4#
- 2.Qxh7#
- 1...Rf2
- 2.Qxd4#
- 1...d1Q
- 2.Sxg5#
- 2.Qxh7#
- 1...d1S
- 2.Sd2#
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...d1B
- 2.Sd2#
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...d1R
- 2.Sxg5#
- 2.Qxh7#
- 1...Qa2
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...Qc2
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...Qd3
- 2.Sxg5#
- 2.Qxh7#
- 1...Qa1
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxh7#
- 1...Qc1
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...Qd1
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxh7#
- 1...Qb2
- 2.Sxg5#
- 2.Qxh7#
- 1...Bf5
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxd4#
- 1...Bg6
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxd4#
- 2.Qxg6#
- 1...Bg8
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxd4#
- 2.Qg6#
- 1...Sec2
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxh7#
- 1...Sbc2
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxh7#
- 1...Sc6
- 2.Sxd2#
- 2.Sxg5#
- 2.Qxh7#
- 1...d3
- 2.Sxd2#
- 2.Sxg5#
- 2.Qd4#
- 2.Qxh7#
- 1...g4
- 2.Qxd4#
- 2.Qxh7#
- 1...Sxf3!
- threat
- 1.Sc6?
- threat
- 2.Qxd4#
- 2.Qxh7#
- 1...Rxg1
- 2.Qxd4#
- 1...Rf2
- 2.Qxd4#
- 1...d1Q
- 2.Qxh7#
- 1...d1R
- 2.Qxh7#
- 1...Qd3
- 2.Qxh7#
- 1...Qa1
- 2.Qxh7#
- 1...Qb2
- 2.Qxh7#
- 1...Bf5
- 2.Qxd4#
- 1...Bg6
- 2.Qxd4#
- 2.Qxg6#
- 1...Bg8
- 2.Qxd4#
- 2.Qg6#
- 1...Sec2
- 2.Qxh7#
- 1...Sf3
- 2.Qxh7#
- 1...Sbc2
- 2.Qxh7#
- 1...d3
- 2.Qd4#
- 2.Qxh7#
- 1...Sxc6!
- threat
- 1.Sf3?
- Keys
- 1.Sg4!
- threat
- 2.Qxh7#
- 1...Be3+
- 2.Sf2#
- 1...Be5+
- 2.Sf6#
- 1...Kf5
- 2.Sf2#
- 1...Bf5
- 2.Qxd4#
- 1...Bg6
- 2.Qxg6#
- 1...Bg8
- 2.Qg6#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- P(j);N_SPINB(i),XR(E)::QAB(I),XB(m)
- P(j);N_SPINB(i)::QAB(I),XB(m)
- P(k);SBLOCK,XS(F)::QAB(I),XB(m)
- Tries
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- R(c);XB(A)::QAR1(I),XP(g)
- R(c);XS(F)::QAR1(I),XP(g)
- R(c);::QAR1(I),XP(g)
- Refutation
- S(b);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(c);XB(A)::QAR1(I),XP(g)
- R(c);::QAR1(I),XP(g)
- P(d);::QAB(I),XB(m)
- Q(a);::QAB(I),XB(m)
- B(m);::QAR1(I),XP(g)
- S(b);::QAB(I),XB(m)
- S(f);::QAB(I),XB(m)
- Refutation
- S(f);XS(F)
- Try
- Actual
- S(F);N_PINB(i)
- Threat
- QAB(I),XB(m)
- Vars
- B(i);CHECK,SBLOCK::R(E)+S(F),DCHECK
- K(h);P_SPINP(j),S_FLIGHT::B(C)+S(F)
- B(m);SBLOCK::QAR1(I),XP(g)
- B(m);N_GUARD::QAB(I),XB(m)
- B(m);N_GUARD::QAB(I)
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).