MESON Chess Problem Database
Problem Display
PID: 227032 (8/4p2Q/1K1pp1N1/8/1k2bp2/1P2rR2/P2P4/2B1N3 w - - 0 1)
Beckers, Franz
Tidskrift for Schack, 1910
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxe1
- 2.a3#
- 1...Re2
- 2.a3#
- 1...Rc3
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Bxf3
- 2.Sc2#
- 1...Bd5
- 2.Sc2#
- 1...Bc6
- 2.Sc2#
- 1...Bb7
- 2.Sc2#
- 1...Ba8
- 2.Sc2#
- 1...d5
- 2.Qxe7#
- 1...Rxe1
- Tries
- 1.Sxe7?
- 1...Rxe1
- 2.a3#
- 1...Rxb3
- 2.Qxe4#
- 1...Rxf3
- 2.Qxe4#
- 1...Bxf3
- 2.Sc2#
- 1...Bxh7
- 2.Sc6#
- 1...Bb1
- 2.Sc6#
- 1...Re2
- 2.a3#
- 1...Rc3
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sc6#
- 1...Bd3
- 2.Sc6#
- 1...Bd5
- 2.Sc2#
- 1...Bf5
- 2.Sc6#
- 1...Bc6
- 2.Sc2#
- 2.Sxc6#
- 1...Bg6
- 2.Sc6#
- 1...Bb7
- 2.Sc2#
- 1...Ba8
- 2.Sc2#
- 1...d5
- 2.Sc6#
- 1...e5!
- 1...Rxe1
- 1.Rxe3?
- threat
- 2.Rxe4#
- 2.a3#
- 1...Bxg6
- 2.a3#
- 1...Bb1
- 2.a3#
- 1...Bh1
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...Bc2
- 2.Sxc2#
- 2.a3#
- 1...Bg2
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...Bd3
- 2.Sxd3#
- 1...Bf3
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...Bd5
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...Bf5
- 2.a3#
- 1...Bc6
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...Bb7
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...Ba8
- 2.Sc2#
- 2.Sd3#
- 2.a3#
- 1...d5
- 2.Qxe7#
- 2.a3#
- 1...fxe3!
- threat
- 1.Qxe7?
- threat
- 2.Qxd6#
- 1...Rc3
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Rxb3!
- threat
- 1.Qg7?
- threat
- 2.Qd4#
- 1...Rc3
- 2.Qxc3#
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Bd3
- 2.Qc3#
- 1...Bd5
- 2.Sc2#
- 1...e5!
- threat
- 1.Qh8?
- threat
- 2.Qd4#
- 1...Rc3
- 2.Qxc3#
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Bd3
- 2.Qc3#
- 1...Bd5
- 2.Sc2#
- 1...e5!
- threat
- 1.Sxe7?
- Keys
- 1.Se5!
- 1...Rxe1
- 2.a3#
- 1...Rxb3
- 2.Qxe4#
- 1...Rxf3
- 2.Qxe4#
- 1...Bxf3
- 2.Sc2#
- 1...Bxh7
- 2.Sc6#
- 1...dxe5
- 2.Qxe7#
- 1...Bb1
- 2.Sc6#
- 1...Re2
- 2.a3#
- 1...Rc3
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 2.Sc6#
- 1...Bd3
- 2.Sc6#
- 1...Bd5
- 2.Sc2#
- 1...Bf5
- 2.Sc6#
- 1...Bc6
- 2.Sc2#
- 2.Sxc6#
- 1...Bg6
- 2.Sc6#
- 1...Bb7
- 2.Sc2#
- 1...Ba8
- 2.Sc2#
- 1...d5
- 2.Sc6#
- 2.Qxe7#
- 1...Rxe1
- 1.Se5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 3
- Sets
- R(a);XS(B)::P(C)
- R(a);::P(C)
- R(a);OGATE::P(D),XR(a)
- R(a);S_CUTB(c)::S(B)
- B(c);N_GUARD::S(B),XB(c)
- B(c);N_GUARD,XR(F)::S(B)
- B(c);N_GUARD::S(B)
- P(e);OGATEB::QAB(I),XP(g)
- Tries
- Try
- S(H);XP(g)
- Vars
- R(a);XS(B)::P(C)
- R(a);N_GUARD,XP(E)::QAR(I),XB(c)
- R(a);N_GUARD,XR(F)::QAR(I),XB(c)
- B(c);N_GUARD,XR(F)::S(B)
- B(c);N_GUARD,XQ(I)::S(H)
- B(c);N_GUARD::S(H)
- R(a);::P(C)
- R(a);OGATE::P(D),XR(a)
- R(a);S_CUTB(c)::S(B)
- B(c);N_GUARD::S(B)
- P(e);S_CUTB(c)::S(H)
- Refutation
- P(f);
- Try
- R(F);XR(a)
- Threat
- DUALS(2)
- Vars
- B(c);XS(H)::P(C)
- B(c);::P(C)
- B(c);N_GUARD::S(B),XB(c)
- Refutation
- P(d);XR(F)
- Try
- Q(I);P_PINP(e),XP(g)
- Threat
- QAB(I),XP(e)
- Vars
- R(a);OGATE::P(D),XR(a)
- R(a);S_CUTB(c)::S(B)
- Refutation
- R(a);XP(E)
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- R(a);S_CUTB(c)::S(B)
- B(c);S_CUTR(a)::QAB1(I)
- B(c);N_GUARD::S(B)
- Refutation
- P(f);
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- R(a);S_CUTB(c)::S(B)
- B(c);S_CUTR(a)::QAB1(I)
- B(c);N_GUARD::S(B)
- Refutation
- P(f);
- Try
- Actual
- S(H);
- Vars
- R(a);XS(B)::P(C)
- R(a);N_GUARD,XP(E)::QAR(I),XB(c)
- R(a);N_GUARD,XR(F)::QAR(I),XB(c)
- B(c);N_GUARD,XR(F)::S(B)
- B(c);N_GUARD,XQ(I)::S(H)
- P(e);OGATEB,XS(H)::QAB(I),XP(g)
- B(c);N_GUARD::S(H)
- R(a);::P(C)
- R(a);OGATE::P(D),XR(a)
- R(a);S_CUTB(c)::S(B)
- B(c);N_GUARD::S(B)
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).