MESON Chess Problem Database
Problem Display
PID: 51162 (8/2p5/2P1p2p/2R1P2B/3Bpp1K/1p1k3P/1R2N1N1/1n3r2 w - - 0 1)
Eaton, Vincent Lanius
Manchester Guardian, 1952
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sgxf4#
- 1...Rd1
- 2.Sgxf4#
- 1...Re1
- 2.Sxe1#
- 2.Sgxf4#
- 1...Rg1
- 2.Sgxf4#
- 1...Rh1
- 2.Sgxf4#
- 1...Rf2
- 2.Se1#
- 1...Rf3
- 2.Se1#
- 1...Sd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e3
- 2.Bg6#
- 1...f3
- 2.Sgf4#
- 1...Rc1
- Tries
- 1.Bf2?
- threat
- 2.Sexf4#
- 2.Sgxf4#
- 1...e3
- 2.Bg6#
- 1...f3
- 2.Sef4#
- 2.Sgf4#
- 1...Rxf2!
- threat
- 1.Be3?
- 1...Rc1
- 2.Sxc1#
- 2.Sexf4#
- 1...Rd1
- 2.Sexf4#
- 1...Re1
- 2.Sexf4#
- 1...Rg1
- 2.Sexf4#
- 1...Rh1
- 2.Sexf4#
- 1...Rf2
- 2.Sc1#
- 1...Rf3
- 2.Sc1#
- 1...Sd2
- 2.Rxd2#
- 2.Rc3#
- 1...Sa3
- 2.Rd2#
- 2.Rxb3#
- 2.Rc3#
- 1...Sc3
- 2.Rd2#
- 2.Rxc3#
- 1...f3
- 2.Sef4#
- 1...fxe3!
- 1...Rc1
- 1.Bf3?
- threat
- 2.Sgxf4#
- 1...Rxf3
- 2.Se1#
- 1...exf3!
- threat
- 1.Rd2+?
- 1...Sxd2
- 2.Rc3#
- 1...Kxd2!
- 1...Sxd2
- 1.Rc1?
- 1...Sc3
- 2.Rxc3#
- 1...e3
- 2.Bg6#
- 1...Rd1
- 2.Sgxf4#
- 1...Re1
- 2.Sxe1#
- 2.Sgxf4#
- 1...Rg1
- 2.Sgxf4#
- 1...Rh1
- 2.Sgxf4#
- 1...Rf2
- 2.Se1#
- 1...Rf3
- 2.Se1#
- 1...Sd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...f3
- 2.Sgf4#
- 1...Rxc1!
- 1...Sc3
- 1.Rcc2?
- 1...Sc3
- 2.Rxc3#
- 1...e3
- 2.Bg6#
- 1...Rc1
- 2.Sgxf4#
- 1...Rd1
- 2.Sgxf4#
- 1...Re1
- 2.Sxe1#
- 2.Sgxf4#
- 1...Rg1
- 2.Sgxf4#
- 1...Rh1
- 2.Sgxf4#
- 1...Rf2
- 2.Se1#
- 1...Rf3
- 2.Se1#
- 1...Sd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...f3
- 2.Sgf4#
- 1...bxc2!
- 1...Sc3
- 1.Bf2?
- Keys
- 1.Bc3!
- 1...Sxc3
- 2.Rxc3#
- 1...e3
- 2.Bg6#
- 1...Rc1
- 2.Sxc1#
- 2.Sexf4#
- 1...Rd1
- 2.Sexf4#
- 1...Re1
- 2.Sexf4#
- 1...Rg1
- 2.Sexf4#
- 1...Rh1
- 2.Sexf4#
- 1...Rf2
- 2.Sc1#
- 1...Rf3
- 2.Sc1#
- 1...Sd2
- 2.Rxd2#
- 1...Sa3
- 2.Rd2#
- 1...f3
- 2.Sef4#
- 1...Sxc3
- 1.Bc3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::S(C),XP(f)
- R(b);N_GUARD,P_PINP(D)::S(C),XP(f)
- R(b);N_GUARD::S(C)
- S(a);N_GUARD::R1(G)
- S(a);N_GUARD::R1(G),XS(a)
- P(e);OGATEB::B(I)
- P(f);S_CUTR(b)::S(C)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::B(I)
- Refutation
- R(b);XB(E)
- Try
- B(E);
- Vars
- R(b);N_GUARD::S(B),XP(f)
- R(b);N_GUARD,P_PINP(D)::S(B),XP(f)
- R(b);N_GUARD::S(B)
- P(f);S_CUTR(b)::S(B)
- Refutation
- P(f);XB(E)
- Try
- B(I);
- Threat
- S(C),XP(f)
- Vars
- R(b);N_GUARD,XB(I)::S(C)
- Refutation
- P(e);XB(I)
- Try
- R(A);CHECK
- Vars
- S(a);SBLOCK,XR(A)::R1(G)
- Refutation
- K(d);P-FLIGHT,XR(A)
- Try
- R(G);
- Vars
- S(a);N_GUARD::R1(G),XS(a)
- P(e);OGATEB::B(I)
- R(b);N_GUARD::S(C),XP(f)
- R(b);N_GUARD,P_PINP(D)::S(C),XP(f)
- R(b);N_GUARD::S(C)
- S(a);N_GUARD::R1(G)
- P(f);S_CUTR(b)::S(C)
- Refutation
- R(b);XR(G)
- Try
- R(G);
- Vars
- S(a);N_GUARD::R1(G),XS(a)
- P(e);OGATEB::B(I)
- R(b);N_GUARD::S(C),XP(f)
- R(b);N_GUARD,P_PINP(D)::S(C),XP(f)
- R(b);N_GUARD::S(C)
- S(a);N_GUARD::R1(G)
- P(f);S_CUTR(b)::S(C)
- Refutation
- P(c);XR(G)
- Try
- Actual
- B(E);
- Vars
- S(a);OGATE,XB(E)::R1(G),XS(a)
- P(e);OGATEB::B(I)
- R(b);N_GUARD::S(B),XP(f)
- R(b);N_GUARD,P_PINP(D)::S(B),XP(f)
- R(b);N_GUARD::S(B)
- S(a);N_GUARD::R1(A),XS(a)
- S(a);N_GUARD::R1(A)
- P(f);S_CUTR(b)::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).