MESON Chess Problem Database
Problem Display
PID: 166679 (1r1r4/1nppPP2/1ppk4/6p1/8/2K5/3PRBBp/4RQ2 w - - 0 1)
Fleck, Ferenc
Comm., BCPS-40 JT, 1958-1960
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Sc5
- 2.Bg3#
- 1...c5
- 2.Bg3#
- 1...Sc5
- Tries
- 1.Be3?
- threat
- 2.Qf6#
- 1...Ke5
- 2.Bc5#
- 1...Ke6
- 2.Bc5#
- 1...Kxe7
- 2.Bc5#
- 1...Sc5!
- threat
- 1.Re4?
- threat
- 2.Qd3#
- 1...Kd5
- 2.Re6#
- 2.Qd3#
- 1...Sc5
- 2.Rd4#
- 1...c5!
- threat
- 1.exd8Q?
- threat
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Sxd8
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Rc8
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.Re6#
- 2.Qf6#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Rxd8!
- threat
- 1.exd8S?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Sxd8
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.Sxb7#
- 2.f8Q#
- 2.f8B#
- 1...Rc8
- 2.Sxb7#
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...Rxd8!
- threat
- 1.exd8B?
- threat
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...Sxd8
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...Rc8
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Bg3#
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.Be7#
- 2.f8Q#
- 2.f8B#
- 1...Rxd8!
- threat
- 1.exd8R?
- threat
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Sxd8
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Rc8
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.Re6#
- 2.f8Q#
- 2.f8B#
- 1...Rxd8!
- threat
- 1.e8Q?
- threat
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Rbc8
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Rdc8
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Bg3#
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.Qe5#
- 2.Qe7#
- 2.f8Q#
- 2.f8B#
- 1...Rxe8!
- threat
- 1.e8B?
- threat
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.f8Q#
- 2.f8B#
- 1...Rbc8
- 2.f8Q#
- 2.f8B#
- 1...Rdc8
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...Rxe8!
- threat
- 1.e8R?
- threat
- 2.f8Q#
- 2.f8B#
- 1...h1Q
- 2.f8Q#
- 2.f8B#
- 1...h1S
- 2.f8Q#
- 2.f8B#
- 1...h1B
- 2.f8Q#
- 2.f8B#
- 1...h1R
- 2.f8Q#
- 2.f8B#
- 1...Ra8
- 2.f8Q#
- 2.f8B#
- 1...Rbc8
- 2.f8Q#
- 2.f8B#
- 1...Rdc8
- 2.f8Q#
- 2.f8B#
- 1...Sa5
- 2.f8Q#
- 2.f8B#
- 1...Sc5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.f8Q#
- 2.f8B#
- 1...b5
- 2.f8Q#
- 2.f8B#
- 1...c5
- 2.Bg3#
- 2.f8Q#
- 2.f8B#
- 1...Rxe8!
- threat
- 1.f8Q?
- threat
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...h1Q
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...h1S
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...h1B
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...h1R
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Ra8
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Rbc8
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Rdc8
- 2.Qh6#
- 2.Qf6#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Re8
- 2.Qh6#
- 2.Qf6#
- 1...Sa5
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Sc5
- 2.Bg3#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...g4
- 2.Qh6#
- 2.Qf4#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...b5
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...c5
- 2.Bg3#
- 2.Qh6#
- 2.Qf6#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Rxf8!
- threat
- 1.f8R?
- threat
- 2.Rf6#
- 1...Sc5
- 2.Bg3#
- 1...Rxf8!
- threat
- 1.Be3?
- Keys
- 1.Re3!
- threat
- 2.Rd3#
- 1...Kc5
- 2.Re6#
- 1...Sc5
- 2.Bg3#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(f);SBLOCK::B(E)
- P(d);SBLOCK::B(E)
- Tries
- Try
- B(E);
- Threat
- QAR2(B)
- Vars
- K(e);S_FLIGHT::R(D)+B(E)
- K(e);P-FLIGHT::R(D)+B(E)
- K(e);S_FLIGHT,XP(H)::R(D)+B(E),DCHECK
- Refutation
- S(f);
- Try
- R(D);
- Threat
- QAR(B)
- Vars
- S(f);SBLOCK::R(D)
- Refutation
- P(d);
- Try
- P(H);P_PINP(h),XR(j)
- Threat
- DUALS(5)
- Vars
- S(f);N_SPINP(h),XQ(H)::P=Q
- Refutation
- R(i);N_SPINP(h),XQ(H)
- Try
- P(H);XR(j)
- Threat
- P=Q
- Vars
- S(f);XS(H)::P=Q
- P(a);::P=Q
- S(f);::P=Q
- P(b);::P=Q
- P(c);::P=Q
- Refutation
- R(i);XS(H)
- Try
- P(H);XR(j)
- Threat
- DUALS(3)
- Vars
- S(f);XB(H)::P=Q
- Refutation
- R(i);XB(H)
- Try
- P(H);P_PINP(h),XR(j)
- Threat
- DUALS(3)
- Vars
- S(f);N_SPINP(h),XR(H)::P=Q
- Refutation
- R(i);N_SPINP(h),XR(H)
- Try
- P(H);
- Threat
- DUALS(4)
- Refutation
- R(j);XQ(H)
- Try
- P(H);
- Threat
- P=Q
- Vars
- P(a);::P=Q
- R(i);::P=Q
- R(j);::P=Q
- S(f);::P=Q
- P(b);::P=Q
- P(c);::P=Q
- Refutation
- R(j);XB(H)
- Try
- P(H);
- Threat
- P=Q
- Vars
- P(a);::P=Q
- R(i);::P=Q
- R(j);::P=Q
- S(f);::P=Q
- P(b);::P=Q
- P(c);::P=Q
- Refutation
- R(j);XR(H)
- Try
- P(I);
- Threat
- DUALS(10)
- Refutation
- R(j);XQ(I)
- Try
- P(I);
- Threat
- R(I)
- Vars
- S(f);SBLOCK::B(E)
- Refutation
- R(j);XR(I)
- Try
- Actual
- R(D);
- Threat
- R(D)
- Vars
- K(e);S_FLIGHT::B(E)+R(D)
- S(f);SBLOCK::B(E)
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).