MESON Chess Problem Database
Problem Display
PID: 271417 (1r6/2pP1B2/1p6/1N1Rp2q/b1k1P3/Kp1N4/1P6/2n2nQ1 w - - 0 1)
Fleck, Ferenc
Probleemblad, 1951
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sxe5#
- 1...Qe2
- 2.Sxe5#
- 1...Qf3
- 2.Sxe5#
- 1...Qg4
- 2.Sxe5#
- 1...Qg6
- 2.Sxe5#
- 1...Qxf7
- 2.Sxe5#
- 1...Qh1
- 2.Sxe5#
- 1...Qh3
- 2.Sxe5#
- 1...Qh4
- 2.Sxe5#
- 1...Qh6
- 2.Sxe5#
- 1...Qh7
- 2.Sxe5#
- 1...Bxb5
- 2.Rd4#
- 1...Sxd3
- 2.Rc5#
- 1...Sd2
- 2.Qxc1#
- 1...Sh2
- 2.Qxc1#
- 1...Sg3
- 2.Qxc1#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Qd1
- Tries
- 1.Kxa4?
- threat
- 2.Sa3#
- 2.Rd4#
- 1...Qxf7
- 2.Sxe5#
- 2.Sa3#
- 1...Sxd3
- 2.Sa3#
- 2.Rc5#
- 1...Ra8+!
- threat
- 1.Sc3?
- threat
- 2.Rd4#
- 1...Qxf7
- 2.Sxe5#
- 1...Sxd3
- 2.Rc5#
- 1...Se3!
- threat
- 1.Sa7?
- threat
- 2.Rd4#
- 1...Qxf7
- 2.Sxe5#
- 1...Sxd3
- 2.Rc5#
- 1...Se3!
- threat
- 1.Sxc7?
- threat
- 2.Rd4#
- 1...Qxf7
- 2.Sxe5#
- 1...Sxd3
- 2.Rc5#
- 1...Se3!
- threat
- 1.Rxe5+?
- 1...Qxf7
- 2.Qd4#
- 1...Kxd3!
- 1...Qxf7
- 1.Qe3?
- threat
- 2.Rc5#
- 2.Qxc1#
- 1...Qxf7
- 2.Sxe5#
- 2.Qxc1#
- 1...Sxd3
- 2.Rc5#
- 2.Qxd3#
- 1...c5
- 2.Sd6#
- 2.Rxc5#
- 1...Qd1
- 2.Sxe5#
- 2.Rc5#
- 2.Rxe5#
- 1...Qe2
- 2.Sxe5#
- 2.Rc5#
- 2.Rxe5#
- 1...Qh2
- 2.Rc5#
- 2.Rxe5#
- 1...Qg5
- 2.Rc5#
- 2.Rxe5#
- 1...Qh6
- 2.Sxe5#
- 2.Rc5#
- 1...Sa2
- 2.Rc5#
- 1...Se2
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sxe3!
- threat
- 1.Qxb6?
- threat
- 2.Rd4#
- 2.Qc5#
- 2.Qxc7#
- 2.Qc6#
- 1...Qxf7
- 2.Sxe5#
- 2.Qc5#
- 2.Qxc7#
- 2.Qc6#
- 1...Bxb5
- 2.Rd4#
- 2.Qc5#
- 1...Sxd3
- 2.Rd4#
- 2.Rc5#
- 1...cxb6
- 2.Sd6#
- 1...Qg6
- 2.Sxe5#
- 2.Rd4#
- 2.Qc5#
- 1...Qh6
- 2.Sxe5#
- 2.Rd4#
- 2.Qc5#
- 1...Rb7
- 2.Rd4#
- 2.Qc5#
- 2.Qc6#
- 1...Rc8
- 2.Rd4#
- 2.Qc5#
- 2.Qc6#
- 1...c5
- 2.Sd6#
- 2.Rd4#
- 2.Qxc5#
- 1...c6
- 2.Sd6#
- 2.Rd4#
- 2.Qc5#
- 2.Qxc6#
- 1...Rxb6!
- threat
- 1.Qxf1?
- threat
- 2.Sxe5#
- 2.Rc5#
- 2.Qxc1#
- 1...Qxf7
- 2.Sxe5#
- 2.Qxc1#
- 1...Bxb5
- 2.Sxe5#
- 2.Qxc1#
- 1...Sxd3
- 2.Qxd3#
- 1...c5
- 2.Sxe5#
- 2.Sd6#
- 2.Rxc5#
- 1...Qd1
- 2.Sxe5#
- 2.Rc5#
- 2.Rxe5#
- 1...Qe2
- 2.Sxe5#
- 1...Qh1
- 2.Sxe5#
- 2.Rc5#
- 2.Rxe5#
- 1...Qh2
- 2.Sxe5#
- 2.Rc5#
- 2.Rxe5#
- 1...Qg5
- 2.Sxc1#
- 2.Sxe5#
- 2.Rc5#
- 2.Rxe5#
- 1...Qh6
- 2.Sxc1#
- 2.Sxe5#
- 2.Rc5#
- 1...Sa2
- 2.Sxe5#
- 2.Rc5#
- 1...Se2!
- threat
- 1.d8Q?
- threat
- 2.Rc5#
- 2.Qxc7#
- 1...Qxf7
- 2.Sxe5#
- 1...Bxb5
- 2.Rd4#
- 2.Rc5#
- 1...Sxd3
- 2.Rc5#
- 1...c5
- 2.Sd6#
- 2.Rxc5#
- 1...Qg6
- 2.Sxe5#
- 2.Rc5#
- 1...Qh6
- 2.Sxe5#
- 2.Rc5#
- 1...Rb7
- 2.Rc5#
- 1...Rc8
- 2.Rc5#
- 1...c6
- 2.Sd6#
- 2.Rc5#
- 1...Rxd8!
- threat
- 1.d8R?
- threat
- 2.Rc5#
- 1...Qxf7
- 2.Sxe5#
- 1...c5
- 2.Sd6#
- 2.Rxc5#
- 1...Rxd8!
- threat
- 1.Kxa4?
- Keys
- 1.Qg6!
- threat
- 2.Qc6#
- 1...Qxg6
- 2.Sxe5#
- 1...Bxb5
- 2.Rd6#
- 1...Sxd3
- 2.Rxe5#
- 1...c5
- 2.Sd6#
- 1...Qh6
- 2.Sxe5#
- 1...c6
- 2.Sd6#
- 2.Qxc6#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- Q(g);N_GUARD::S(D),XP(f)
- Q(g);N_GUARD,XB(I)::S(D),XP(f)
- B(d);SBLOCK,XS(F)::B(I)+R(G),DCHECK
- S(a);SBLOCK,XS(D)::B(I)+R(G),DCHECK
- S(b);OGATE::QAR(A),XS(a)
- P(i);N_GUARD::S(F)
- Tries
- Try
- K(C);P-FLIGHT,XB(d)
- Threat
- DUALS(2)
- Refutation
- R(j);CHECK
- Try
- S(F);
- Threat
- B(I)+R(G),DCHECK
- Vars
- Q(g);N_GUARD,XB(I)::S(D),XP(f)
- S(a);SBLOCK,XS(D)::B(I)+R(G),DCHECK
- Refutation
- S(b);
- Try
- S(F);
- Threat
- B(I)+R(G),DCHECK
- Vars
- Q(g);N_GUARD,XB(I)::S(D),XP(f)
- S(a);SBLOCK,XS(D)::B(I)+R(G),DCHECK
- Refutation
- S(b);
- Try
- S(F);XP(i)
- Threat
- B(I)+R(G),DCHECK
- Vars
- Q(g);N_GUARD,XB(I)::S(D),XP(f)
- S(a);SBLOCK,XS(D)::B(I)+R(G),DCHECK
- Refutation
- S(b);
- Try
- R(G);CHECK,XP(f)
- Vars
- Q(g);XB(I)::QAR1(A)
- Refutation
- K(e);S_FLIGHT,XS(D)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);::B(I)+R(G),DCHECK
- S(b);::B(I)+R(G),DCHECK
- Refutation
- S(b);XQ(A)
- Try
- Q(A);XP(h)
- Threat
- DUALS(4)
- Vars
- P(i);N_GUARD,XQ(A)::S(F)
- Refutation
- R(j);XQ(A)
- Try
- Q(A);XS(b)
- Threat
- DUALS(3)
- Vars
- S(a);OGATE,P_SPINS(a),XS(D)::QAB1(A),XS(a)
- Q(g);::S(D),XP(f)
- Refutation
- S(a);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XB(I)::S(D),XP(f)
- S(a);XS(D)::B(I)+R(G),DCHECK
- R(j);::B(I)+R(G),DCHECK
- Refutation
- R(j);XQ(H)
- Try
- P(H);
- Threat
- B(I)+R(G),DCHECK
- Vars
- Q(g);N_GUARD,XB(I)::S(D),XP(f)
- Refutation
- R(j);XR(H)
- Try
- Actual
- Q(A);
- Threat
- QAR2(A)
- Vars
- Q(g);N_GUARD,XQ(A)::S(D),XP(f)
- B(d);SBLOCK,XS(F)::B(I)+R(G)
- S(a);SBLOCK,XS(D)::B(I)+R(G),XP(f)
- P(i);N_GUARD::S(F)
- Q(g);N_GUARD::S(D),XP(f)
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).