MESON Chess Problem Database
Problem Display
PID: 69773 (2Q3N1/4bKP1/4N2p/2p2R1n/R1B3kp/6pr/2pq1pP1/1bBr1n2 w - - 0 1)
Lacny, Ludovit
1st Prize, Brabec-50 JT, 1988
#2
10 + 14
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sxh6#
- 1...Qc3
- 2.Sxh6#
- 1...Qb4
- 2.Sxh6#
- 1...Qa5
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 1...Qd3
- 2.Sxh6#
- 1...Qd4
- 2.Sxh6#
- 1...Qd5
- 2.Sxh6#
- 1...Qd6
- 2.Sxh6#
- 1...Qd7
- 2.Sxh6#
- 1...Qd8
- 2.Sxh6#
- 1...Se3
- 2.Sxh6#
- 1...Sf4
- 2.Sxh6#
- 1...Qe1
- Tries
- 1.Sf4?
- threat
- 2.Sxh6#
- 1...Qd5+
- 2.Rxd5#
- 1...Qxf4
- 2.Be2#
- 1...Qd6
- 2.Be2#
- 1...Bg5!
- threat
- 1.Sxc5?
- threat
- 2.Be2#
- 1...Qd5+
- 2.Rxd5#
- 1...Qd7
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 2.Rg5#
- 1...Qd3
- 2.Sxh6#
- 2.Rg5#
- 1...Sf4
- 2.Sxh6#
- 1...Ba2!
- threat
- 1.Sg5?
- threat
- 2.Sxh6#
- 2.Be2#
- 2.gxh3#
- 1...Qd5+
- 2.Rxd5#
- 1...Qxg5
- 2.Be2#
- 2.Rf4#
- 2.Rxg5#
- 1...Bxg5
- 2.Be2#
- 1...Sxg7
- 2.Be2#
- 1...hxg5
- 2.Sh6#
- 2.Be2#
- 1...Qd7
- 2.Sxh6#
- 1...Sf6
- 2.Be2#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 2.gxh3#
- 1...Qd3
- 2.Sxh6#
- 2.gxh3#
- 1...Qd6
- 2.Be2#
- 2.gxh3#
- 1...Rh1
- 2.Sxh6#
- 2.Be2#
- 1...Rh2
- 2.Sxh6#
- 2.Be2#
- 1...Ba2
- 2.Sxh6#
- 2.gxh3#
- 1...Sf4!
- threat
- 1.Sc7?
- threat
- 2.Be2#
- 1...Qd5+
- 2.Rxd5#
- 1...Qd7
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 2.Rg5#
- 1...Qd3
- 2.Sxh6#
- 2.Rg5#
- 1...Sf4
- 2.Sxh6#
- 1...Ba2!
- threat
- 1.Sd8?
- threat
- 2.Be2#
- 1...Qd5+
- 2.Rxd5#
- 1...Qd7
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 2.Rg5#
- 1...Qd3
- 2.Sxh6#
- 2.Rg5#
- 1...Sf4
- 2.Sxh6#
- 1...Ba2!
- threat
- 1.Sf8?
- threat
- 2.Be2#
- 1...Qd5+
- 2.Rxd5#
- 1...Qd7
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 2.Rg5#
- 1...Qd3
- 2.Sxh6#
- 2.Rg5#
- 1...Sf4
- 2.Sxh6#
- 1...Ba2!
- threat
- 1.Bd3+?
- 1...Qb4
- 2.Sxh6#
- 1...Qf4
- 2.Sxh6#
- 1...Sf4
- 2.Sxh6#
- 1...c4!
- 1...Qb4
- 1.Re5?
- threat
- 2.Be2#
- 1...Qe2
- 2.Sd4#
- 2.Sxh6#
- 2.Bxe2#
- 1...Qd3
- 2.Sxh6#
- 1...Sf4
- 2.Sxh6#
- 1...Qf4+!
- threat
- 1.Qxc5?
- threat
- 2.Be2#
- 1...Qd5
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 1...Qd3
- 2.Sxh6#
- 1...Sf4
- 2.Sxh6#
- 1...Bxc5!
- threat
- 1.Sf4?
- Keys
- 1.Rd5!
- threat
- 2.Be2#
- 1...Qf4+
- 2.Sxf4#
- 1...Qxd5
- 2.Sxh6#
- 1...Qe2
- 2.Sxh6#
- 2.Bxe2#
- 1...Qd3
- 2.Sxh6#
- 1...Sf4
- 2.Sxh6#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(e);N_GUARD::S(J),XP(m)
- Q(e);N_GUARD,P_PINS(F)::S(J),XP(m)
- S(c);S_CUTQ(e)::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Tries
- Try
- S(F);
- Threat
- S(J),XP(m)
- Vars
- Q(e);CHECK::QAB(I)+R(E),XQ(e)
- Q(e);N_GUARD,P_PINR(E),XS(F)::B(D)
- Q(e);N_GUARD::B(D)
- Refutation
- B(n);
- Try
- S(F);XP(k)
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);CHECK::QAB(I)+R(E),XQ(e)
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Refutation
- B(a);P_PINB(D)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK::QAB(I)+R(E),XQ(e)
- B(n);XS(F)::R(C)+B(D),DCHECK
- S(l);XP(H)::R(C)+B(D),DCHECK
- Q(e);::S(J),XP(m)
- S(l);::R(C)+B(D),DCHECK
- Refutation
- S(l);
- Try
- S(F);
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);CHECK::QAB(I)+R(E),XQ(e)
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Refutation
- B(a);P_PINB(D)
- Try
- S(F);
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);CHECK::QAB(I)+R(E),XQ(e)
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Refutation
- B(a);P_PINB(D)
- Try
- S(F);
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);CHECK::QAB(I)+R(E),XQ(e)
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Refutation
- B(a);P_PINB(D)
- Try
- B(D);CHECK
- Vars
- Q(e);P_SPINQ(e)::S(J),XP(m)
- Q(e);P_PINR(E),P_SPINQ(e)::S(J),XP(m)
- S(l);P_SPINS(l)::S(J),XP(m)
- Refutation
- P(k);P_SPINP(k)
- Try
- R(E);
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Refutation
- Q(e);CHECK
- Try
- Q(I);XP(k)
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);N_GUARD,P_PINS(F)::S(J),XP(m)
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
- Refutation
- B(n);XQ(I)
- Try
- Actual
- R(E);
- Threat
- R(C)+B(D),DCHECK
- Vars
- Q(e);CHECK::QAB(I)+S(F),XQ(e)
- Q(e);N_GUARD,P_PINS(F),XR(E)::S(J),XP(m)
- Q(e);N_GUARD::S(J),XP(m)
- S(l);S_CUTQ(e)::S(J),XP(m)
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).