MESON Chess Problem Database
Problem Display
PID: 139049 (2b4K/7P/3N2p1/2p2pN1/1pPkPP2/R1n2pR1/rn1PP3/B4r2 w - - 0 1)
Cox, C
The Problemist, 1937
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Rfxa1
- 2.Sxf3#
- 1...Rb1
- 2.Sxf3#
- 1...Rc1
- 2.Sxf3#
- 1...Rd1
- 2.Sxf3#
- 1...Re1
- 2.Sxf3#
- 1...Rg1
- 2.Sxf3#
- 1...Rh1
- 2.Sxf3#
- 1...Ba6
- 2.Se6#
- 1...Be6
- 2.Sxe6#
- 1...Bb7
- 2.Se6#
- 1...Sd3
- 2.e3#
- 1...Sxc4
- 2.Sb5#
- 1...Sb1
- 2.Rd3#
- 2.e3#
- 1...Sd1
- 2.Rd3#
- 1...Sa4
- 2.Rd3#
- 2.e3#
- 1...Sxe4
- 2.Rd3#
- 2.e3#
- 1...Sb5
- 2.Rd3#
- 2.e3#
- 1...Sd5
- 2.Rd3#
- 1...f2
- 2.Sf3#
- 1...Rfxa1
- Tries
- 1.Rxc3?
- threat
- 2.Sb5#
- 2.Rd3#
- 2.e3#
- 1...Rfxa1
- 2.Sxf3#
- 2.Sb5#
- 2.e3#
- 1...Raxa1
- 2.Sb5#
- 2.e3#
- 1...Sxc4
- 2.Sb5#
- 2.Rd3#
- 2.Rxc4#
- 1...fxe2
- 2.Sb5#
- 2.Rcd3#
- 1...fxe4
- 2.Sb5#
- 2.e3#
- 1...Re1
- 2.Sxf3#
- 2.Sb5#
- 2.Rd3#
- 1...Ra3
- 2.Sb5#
- 2.e3#
- 1...Ra5
- 2.Rd3#
- 2.e3#
- 1...Ba6
- 2.Se6#
- 2.Rd3#
- 2.e3#
- 1...Bd7
- 2.Rd3#
- 2.e3#
- 1...Sd1
- 2.Sb5#
- 2.Rd3#
- 1...Sd3
- 2.Sb5#
- 2.Rxd3#
- 2.e3#
- 1...bxc3!
- threat
- 1.Rxc3?
- Keys
- 1.Kg8!
- threat
- 2.h8Q#
- 2.h8B#
- 1...Be6+
- 2.Sxe6#
- 1...Rfxa1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Raxa1
- 2.h8Q#
- 2.h8B#
- 1...Rxa3
- 2.h8Q#
- 2.h8B#
- 1...Sxc4
- 2.Sb5#
- 1...Sxe2
- 2.h8Q#
- 2.h8B#
- 1...Sxe4
- 2.Rd3#
- 2.e3#
- 1...fxe2
- 2.h8Q#
- 2.h8B#
- 1...bxa3
- 2.h8Q#
- 2.h8B#
- 1...fxe4
- 2.h8Q#
- 2.h8B#
- 1...Rb1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Rc1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Rd1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Re1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Rg1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Rh1
- 2.Sxf3#
- 1...Rf2
- 2.h8Q#
- 2.h8B#
- 1...Ba6
- 2.Se6#
- 2.h8Q#
- 2.h8B#
- 1...Bb7
- 2.Se6#
- 2.h8Q#
- 2.h8B#
- 1...Bd7
- 2.h8Q#
- 2.h8B#
- 1...Sbd1
- 2.h8Q#
- 2.h8B#
- 1...Sd3
- 2.e3#
- 1...Sba4
- 2.h8Q#
- 2.h8B#
- 1...Sb1
- 2.Rd3#
- 2.e3#
- 2.h8Q#
- 2.h8B#
- 1...Scd1
- 2.Rd3#
- 2.h8Q#
- 2.h8B#
- 1...Sca4
- 2.Rd3#
- 2.e3#
- 2.h8Q#
- 2.h8B#
- 1...Sb5
- 2.Rd3#
- 2.e3#
- 2.h8Q#
- 2.h8B#
- 1...Sd5
- 2.Rd3#
- 1...f2
- 2.Sf3#
- 2.h8Q#
- 2.h8B#
- 1...b3
- 2.h8Q#
- 2.h8B#
- threat
- 1.Kg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD,XB(A)::S(I),XP(e)
- R(a);N_GUARD::S(I),XP(e)
- R(a);N_GUARD,P_PINP(K)::S(I),XP(e)
- B(k);N_GUARD::S(I)
- B(k);N_GUARD::S(I),XB(k)
- S(c);P_SPINS(d),SBLOCK::P(C)
- S(c);P_SPINS(d),SBLOCK,XP(F)::S(J)
- S(d);OGATE,P_SPINS(c)::R1(D)
- P(e);S_CUTR(a)::S(I)
- Tries
- Try
- R(D);XS(d)
- Threat
- DUALS(3)
- Refutation
- P(f);XR(D)
- Try
- Actual
- K(L);P-FLIGHT
- Threat
- P=Q
- Vars
- B(k);CHECK,N_GUARD::S(I),XB(k)
- R(b);XB(A)::P=Q
- R(b);XR(D)::P=Q
- S(c);P_SPINS(d),SBLOCK,XP(F)::S(J)
- S(d);P_SPINS(c),XP(C)::P=Q
- P(e);XP(C)::P=Q
- P(f);XR(D)::P=Q
- P(i);XP(G)::P=Q
- R(a);N_GUARD::S(I),XP(e)
- R(a);::P=Q
- B(k);::P=Q
- S(c);P_SPINS(d)::P=Q
- S(c);P_SPINS(d),SBLOCK::P(C)
- S(d);OGATE,P_SPINS(c)::R1(D)
- P(f);::P=Q
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).