MESON Chess Problem Database
Problem Display
PID: 212 (B3q2B/3NQ3/1p2r3/b3p3/2Pkn3/2r4R/1PPN1P2/3RKb2 w - - 0 1)
Fleck, Ferenc
Parallele 50, 1950
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Re3+
- 2.fxe3#
- 1...Rc6
- 2.Bxe5#
- 1...Rd6
- 2.Bxe5#
- 1...Rg6
- 2.Bxe5#
- 1...Rh6
- 2.Bxe5#
- 1...Bxc4
- 2.Sb3#
- 2.Sf3#
- 1...Sxd2
- 2.Rh4#
- 2.Qh4#
- 1...Re3+
- Tries
- 1.Qb4?
- threat
- 2.Sb3#
- 2.Sf3#
- 1...Re3+
- 2.fxe3#
- 1...Sxd2
- 2.Rh4#
- 2.bxc3#
- 1...Sxf2
- 2.Sb3#
- 2.bxc3#
- 1...Rb3
- 2.Sxb3#
- 2.Sf3#
- 1...Rf3
- 2.Sb3#
- 2.Sxf3#
- 1...Bd3
- 2.Sf3#
- 1...Bxb4!
- threat
- 1.Qxe6?
- threat
- 2.Sb3#
- 2.Sf3#
- 2.Bxe5#
- 2.Qd5#
- 1...Re3+
- 2.fxe3#
- 1...Qxd7
- 2.Sb3#
- 2.Qxe5#
- 1...Qxa8
- 2.Sb3#
- 2.Sf3#
- 2.Bxe5#
- 2.Qxe5#
- 1...Qxh8
- 2.Sb3#
- 2.Sf3#
- 2.Qd5#
- 1...Rxc2
- 2.Bxe5#
- 2.Qd5#
- 1...Rxh3
- 2.Bxe5#
- 2.Qd5#
- 1...Rxc4
- 2.Bxe5#
- 2.Qd5#
- 1...Bxc4
- 2.Sb3#
- 2.Sf3#
- 2.Bxe5#
- 1...Sxd2
- 2.Bxe5#
- 2.Rh4#
- 2.Qg4#
- 2.Qd5#
- 1...Sxf2
- 2.Sb3#
- 2.Bxe5#
- 2.Qd5#
- 2.Qd6#
- 1...Qh5
- 2.Sb3#
- 2.Sf3#
- 2.Qd5#
- 1...Qf7
- 2.Sb3#
- 2.Sf3#
- 2.Bxe5#
- 2.Qxe5#
- 1...Qb8
- 2.Sb3#
- 2.Sf3#
- 2.Qd5#
- 1...Qg8
- 2.Sb3#
- 2.Sf3#
- 2.Bxe5#
- 2.Qxe5#
- 1...Ra3
- 2.Bxe5#
- 2.Qd5#
- 1...Rb3
- 2.Bxe5#
- 2.Qd5#
- 1...Rd3
- 2.Bxe5#
- 2.Qd5#
- 1...Rf3
- 2.Bxe5#
- 2.Qd5#
- 1...Rg3
- 2.Bxe5#
- 2.Qd5#
- 1...Bd3
- 2.Sf3#
- 2.Bxe5#
- 2.Qd5#
- 1...Sf6
- 2.Sb3#
- 2.Sf3#
- 1...Qxe6!
- threat
- 1.Qb4?
- Keys
- 1.Sxe5!
- threat
- 2.Sb3#
- 2.Sdf3#
- 2.Sef3#
- 2.Sc6#
- 1...Re3+
- 2.fxe3#
- 1...Qxe7
- 2.Sb3#
- 1...Qxh8
- 2.Sdf3#
- 1...Rxc2
- 2.Sc6#
- 1...Rxh3
- 2.Sf3#
- 2.Sc6#
- 1...Rxc4
- 2.Sf3#
- 1...Rxe5
- 2.Bxe5#
- 1...Rxe7
- 2.Sb3#
- 1...Bxc4
- 2.Sb3#
- 2.Sdf3#
- 2.Sef3#
- 1...Sxd2
- 2.Rh4#
- 1...Sxf2
- 2.Sb3#
- 1...Rd6
- 2.Sb3#
- 1...Sd6
- 2.Sb3#
- 1...Sf6
- 2.Sf3#
- 1...Qc6
- 2.Sb3#
- 2.Sdf3#
- 2.Sef3#
- 2.Sxc6#
- 1...Ra3
- 2.Sf3#
- 2.Sc6#
- 1...Rb3
- 2.Sf3#
- 2.Sc6#
- 1...Rd3
- 2.Sf3#
- 2.Sc6#
- 1...Rf3
- 2.Sxf3#
- 2.Sc6#
- 1...Rg3
- 2.Sf3#
- 2.Sc6#
- 1...Rc6
- 2.Sb3#
- 2.Sdf3#
- 2.Sef3#
- 2.Sxc6#
- 1...Rf6
- 2.Sb3#
- 2.Sdf3#
- 1...Bd3
- 2.Sdf3#
- 2.Sef3#
- 2.Sc6#
- 1...Sg3
- 2.Sb3#
- 2.Sf3#
- 1...Sc5
- 2.Sb3#
- 2.Sf3#
- 1...Sg5
- 2.Sb3#
- 2.Sf3#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 3
- Sets
- R(b);CHECK,OGATE,P_PINS(E)::P(F),XR(b)
- R(h);N_GUARD::B(L),XP(f)
- Tries
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE::P(F),XR(b)
- B(a);::S(E)
- Refutation
- B(e);XQ(J)
- Try
- Q(J);XR(h)
- Threat
- DUALS(4)
- Vars
- R(b);CHECK,OGATE,P_PINS(E)::P(F),XR(b)
- Refutation
- Q(i);XQ(J)
- Try
- Actual
- S(I);XP(f)
- Threat
- DUALS(4)
- Vars
- R(b);CHECK,OGATE,P_PINS(E)::P(F),XR(b)
- Q(i);XQ(J)::R(A)+S(E),DCHECK
- Q(i);XB(L)::R(A)+S(E),DCHECK
- R(b);P_PINS(E),XP(D)::B(L)+S(I),DCHECK
- R(b);P_PINS(E),XP(H)::B(L)+S(I),DCHECK
- R(h);OGATE,P_SPINR(h),XS(I)::B(L),XR(h)
- R(h);XQ(J)::R(A)+S(E),DCHECK
- S(d);OGATEB,P_PINS(I),P_SPINS(d),XS(E)::R(G)
- S(d);P_PINS(I),XP(F)::R(A)+S(E),DCHECK
- R(h);::R(A)+S(E),DCHECK
- S(d);P_PINS(I)::R(A)+S(E),DCHECK
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).