MESON Chess Problem Database
Problem Display
PID: 198151 (8/3N2p1/p3p1BB/R3Pr1p/2Ppk1nR/Kp1n3N/1prPP3/1Qb5 w - - 0 1)
Clark, Cecil Henry Douglas
3rd HM., Hampshire Telegraph and Post, 1920
#2
12 + 13
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxd2
- 2.Sf2#
- 1...Rc3
- 2.Sf2#
- 1...Rxc4
- 2.Sf2#
- 2.Qxd3#
- 1...Bxd2
- 2.Qh1#
- 1...Se1
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sf4
- 2.Sg5#
- 1...Sc5
- 2.Sf2#
- 1...Sxe5
- 2.Sf2#
- 2.Sc5#
- 2.Rxe5#
- 1...gxh6
- 2.Sf6#
- 1...Rxd2
- Tries
- 1.Bh7?
- 1...Rxd2
- 2.Sf2#
- 1...Rxc4
- 2.Sf2#
- 2.Qxd3#
- 1...Bxd2
- 2.Qh1#
- 1...Sxe5
- 2.Sf2#
- 2.Sc5#
- 2.Rxe5#
- 1...gxh6
- 2.Sf6#
- 1...Rc3
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sf4
- 2.Sg5#
- 1...Sc5
- 2.Sf2#
- 1...g5
- 2.Sf6#
- 1...g6!
- 1...Rxd2
- 1.Bg5?
- 1...Rxd2
- 2.Sf2#
- 1...Rxc4
- 2.Sf2#
- 2.Qxd3#
- 1...Bxd2
- 2.Qh1#
- 1...Sxe5
- 2.Sf2#
- 2.Sc5#
- 2.Rxe5#
- 1...Rc3
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sf4!
- 1...Rxd2
- 1.Rxg4+?
- 1...Sf4
- 2.Sf2#
- 2.Sg5#
- 2.Rxf4#
- 1...hxg4!
- 1...Sf4
- 1.Rc5?
- 1...Rxd2
- 2.Sf2#
- 1...Rxc4
- 2.Sf2#
- 2.Qxd3#
- 1...Bxd2
- 2.Qh1#
- 1...Sxc5
- 2.Sf2#
- 1...Sxe5
- 2.Sf2#
- 2.Rxe5#
- 1...gxh6
- 2.Sf6#
- 1...Rc3
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sf4
- 2.Sg5#
- 1...a5!
- 1...Rxd2
- 1.Bh7?
- Keys
- 1.Bf4!
- 1...Rxd2
- 2.Sc5#
- 1...Rxc4
- 2.Qxd3#
- 1...Bxd2
- 2.Qh1#
- 1...Sxf4
- 2.Sg5#
- 1...Sdxe5
- 2.Sc5#
- 1...Sgxe5
- 2.Sg5#
- 1...Rc3
- 2.Sc5#
- 1...Se1
- 2.Sc5#
- 1...Sdf2
- 2.Sc5#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sgf2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Se3
- 2.Sg5#
- 1...Sf6
- 2.Sg5#
- 1...Sh6
- 2.Sg5#
- 1...Rxd2
- 1.Bf4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(c);N_SPINS(h),P_SPINS(e),XP(B)::S(E)
- R(c);N_SPINS(h),P_SPINS(e)::S(E)
- B(a);OGATE,XP(B)::QAB(A)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E),XS(e)
- S(e);N_SPINR(i),N_SPINS(h),P_SPINR(c),SBLOCK::S(E)
- P(m);N_GUARD,XB(K)::S(L)
- Tries
- Try
- B(J);
- Vars
- R(c);N_SPINS(h),P_SPINS(e),XP(B)::S(E)
- B(a);OGATE,XP(B)::QAB(A)
- P(m);N_GUARD,XB(K)::S(L)
- R(c);N_SPINS(h),P_SPINS(e)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E),XS(e)
- S(e);N_SPINR(i),N_SPINS(h),P_SPINR(c),SBLOCK::S(E)
- P(m);N_GUARD::S(L)
- Refutation
- P(m);N_SPINR(i)
- Try
- B(K);
- Vars
- R(c);N_SPINS(h),P_SPINS(e),XP(B)::S(E)
- B(a);OGATE,XP(B)::QAB(A)
- R(c);N_SPINS(h),P_SPINS(e)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E),XS(e)
- Refutation
- S(e);N_SPINR(i),N_SPINS(h),P_SPINR(c)
- Try
- R(G);CHECK,XS(h)
- Refutation
- P(j);XR(G)
- Try
- R(H);
- Vars
- R(c);N_SPINS(h),P_SPINS(e),XP(B)::S(E)
- B(a);OGATE,XP(B)::QAB(A)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c),XR(H)::S(E)
- P(m);N_GUARD,XB(K)::S(L)
- R(c);N_SPINS(h),P_SPINS(e)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(E),XS(e)
- S(e);N_SPINR(i),N_SPINS(h),P_SPINR(c),SBLOCK::S(E)
- Refutation
- P(k);
- Try
- Actual
- B(K);N_PINS(h)
- Vars
- R(c);P_SPINS(e),XP(B)::S(L)
- R(c);OGATE,P_SPINS(e),XP(F)::QAB1(A),XS(e)
- B(a);OGATE,XP(B)::QAB(A)
- S(e);N_SPINR(i),P_SPINR(c),SBLOCK,XB(K)::S(E)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c),XP(I)::S(L)
- S(h);XP(I)::S(E)
- R(c);P_SPINS(e)::S(L)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(L)
- S(e);N_GUARD,N_SPINR(i),P_SPINR(c)::S(L),XS(e)
- S(h);::S(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).