MESON Chess Problem Database
Problem Display
PID: 108749 (n7/1nNPP3/7K/Pbk1r1p1/1p1R2p1/3P4/4PQBB/1r6 w - - 0 1)
Labai, Zoltan
Szoghy-80 MT, 1993
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.Rc4#
- 1...Re4
- 2.Rc4#
- 1...Rd5
- 2.Rc4#
- 1...Rf5
- 2.Se6#
- 2.Rc4#
- 1...Re6+
- 2.Sxe6#
- 1...Rxe7
- 2.Rc4#
- 1...Bc6
- 2.Rd5#
- 1...Sd6
- 2.Rc4#
- 1...Rxe2
- Tries
- 1.Bxe5?
- threat
- 2.Se6#
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...Bxd3
- 2.Rf4#
- 2.Rxg4#
- 1...Bxd7
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 2.Rxd7#
- 1...Sxa5
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...Sxc7
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...Rf1
- 2.Se6#
- 2.Rc4#
- 1...Ba4
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...Bc4
- 2.Rxc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...Ba6
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...Bc6
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rd6#
- 1...Sd6
- 2.Se6#
- 2.Bxd6#
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rxd6#
- 1...Sd8
- 2.Bd6#
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd6#
- 1...b3
- 2.Se6#
- 2.Ra4#
- 2.Rc4#
- 2.Rf4#
- 2.Rxg4#
- 1...g3
- 2.Se6#
- 2.Rc4#
- 1...Rh1+!
- threat
- 1.Rxg4+?
- 1...Re3
- 2.Se6#
- 2.Qxe3#
- 1...Kd6!
- 1...Re3
- 1.Rd6+?
- 1...Re3
- 2.Se6#
- 2.Qxe3#
- 1...Kxd6!
- 1...Re3
- 1.d8S?
- threat
- 2.Sxb7#
- 2.Rd5#
- 1...Re6+
- 2.Scxe6#
- 2.Sdxe6#
- 1...Bxd3
- 2.Sxb7#
- 1...Sxa5
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rc4#
- 2.Rxe4#
- 2.Rd5#
- 1...Rd5
- 2.Sce6#
- 2.Rc4#
- 2.Rxd5#
- 1...Ba6
- 2.Rd5#
- 1...Bc6
- 2.Rd5#
- 1...Sd6
- 2.Rc4#
- 2.Re4#
- 2.Rd5#
- 1...b3
- 2.Sxb7#
- 1...Sxd8!
- threat
- 1.Bxe5?
- Keys
- 1.Qf6!
- threat
- 2.Qxe5#
- 1...Kxd4
- 2.Qxe5#
- 1...Rxe2
- 2.Rd5#
- 1...Rxe7
- 2.Rd5#
- 1...Sxa5
- 2.Qd6#
- 1...Sxc7
- 2.Qb6#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Rf5
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 1...Bc4
- 2.Rxc4#
- 1...Bc6
- 2.Rc4#
- 1...Sb6
- 2.Qxb6#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- R(f);XP(A)::QAB(B)+R(F),DCHECK
- R(f);::QAB(B)+R(F),DCHECK
- R(f);CHECK,N_GUARD::S(I),XR(f)
- R(f);XP(K)::QAB(B)+R(F),DCHECK
- B(d);SBLOCK::QAB(B)+R(F),DCHECK
- S(h);SBLOCK::QAB(B)+R(F),DCHECK
- Tries
- Try
- B(D);XR(f)
- Threat
- DUALS(5)
- Refutation
- R(a);CHECK
- Try
- R(F);CHECK,XP(c)
- Refutation
- K(e);P_SPINR(f),S_FLIGHT
- Try
- R(F);CHECK
- Refutation
- K(e);P_SPINR(f),S_FLIGHT,XR(F)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(d);XP(E)::S(J),XS(h)
- S(h);XP(G)::QAB(B)+R(F),DCHECK
- R(f);::R1(F)
- B(d);::QAB(B)+R(F),DCHECK
- P(b);::S(J),XS(h)
- Refutation
- S(h);XS(J)
- Try
- Actual
- Q(B);
- Threat
- QAR2(B),XR(f)
- Vars
- K(e);P_SPINR(f),S_FLIGHT,XR(F)::QAB1(B),XR(f)
- R(f);N_GUARD,XP(A)::R1(F)
- R(f);N_GUARD,XP(K)::R1(F)
- S(h);N_GUARD,XP(G)::QAB1(B)
- S(i);N_GUARD,XS(I)::QAB1(B)
- R(f);N_GUARD::R1(F)
- R(f);N_GUARD::R1(F),XR(f)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD,P_PINQ(B)::S(I),XR(f)
- B(d);N_GUARD::R1(F),XB(d)
- B(d);N_GUARD::R1(F)
- S(i);N_GUARD::QAB1(B),XS(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).