MESON Chess Problem Database
Problem Display
PID: 70870 (8/4p1r1/8/4Rp2/b3Np1B/K1pQ2qr/4BpR1/1N2k1b1 w - - 0 1)
Kipping, Cyril Stanley
Chess, 1952
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qxd1#
- 1...Bb5
- 2.Qd1#
- 1...Bc6
- 2.Qd1#
- 1...Bd7
- 2.Qd1#
- 1...Be8
- 2.Qd1#
- 1...f1Q
- 2.Qxc3#
- 1...f1B
- 2.Qxc3#
- 1...f1R
- 2.Qxc3#
- 1...Bd1
- Tries
- 1.Kxa4?
- threat
- 2.Qd1#
- 1...c2
- 2.Qd2#
- 1...Qxd3!
- threat
- 1.Sxg3?
- threat
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Bg4#
- 2.Bh5#
- 2.Qxc3#
- 1...Rhxg3
- 2.Bf3#
- 1...Rgxg3
- 2.Bf3#
- 1...f1Q
- 2.Qxc3#
- 1...f1B
- 2.Qxc3#
- 1...f1R
- 2.Qxc3#
- 1...Rg4
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Bxg4#
- 2.Qxc3#
- 1...Bd1
- 2.Bxd1#
- 2.Qxd1#
- 2.Qxc3#
- 1...Bc6
- 2.Qd1#
- 2.Qxc3#
- 1...c2
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Bg4#
- 2.Bh5#
- 2.Qd2#
- 2.Qc3#
- 1...f3
- 2.Bd1#
- 2.Bf1#
- 2.Bxf3#
- 2.Qxc3#
- 1...f1S!
- threat
- 1.Bf3?
- threat
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sxg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Qxh4
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Qxg2
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...fxe4
- 2.Rxe4#
- 2.Qe2#
- 1...f1Q
- 2.Qxc3#
- 1...f1S
- 2.Re2#
- 2.Qe2#
- 1...f1B
- 2.Qxc3#
- 1...f1R
- 2.Sf2#
- 2.Re2#
- 2.Qe2#
- 2.Qxc3#
- 1...Qh2
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Qg4
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Qg5
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Qg6
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Rg5
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sxg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Bd1
- 2.Qxd1#
- 1...Bb5
- 2.Sed2#
- 2.Sxf2#
- 2.Sexc3#
- 2.Sxg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qd1#
- 1...Bc6
- 2.Qe2#
- 2.Qd1#
- 1...c2
- 2.Sed2#
- 2.Sxf2#
- 2.Sec3#
- 2.Sxg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 2.Qe2#
- 1...Qxf3!
- threat
- 1.Kxa4?
- Keys
- 1.Sg5!
- threat
- 2.Bf3#
- 1...Qxd3
- 2.Rxg1#
- 1...f1Q
- 2.Qxc3#
- 1...f1S
- 2.Sf3#
- 1...f1B
- 2.Sf3#
- 2.Qxc3#
- 1...f1R
- 2.Qxc3#
- 1...Qe3
- 2.Rxg1#
- 1...Qf3
- 2.Bxf3#
- 2.Rxg1#
- 1...Bd1
- 2.Qxd1#
- 1...Bc6
- 2.Qd1#
- 1...f3
- 2.Qxc3#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- B(g);N_GUARD::QAR1(E),XB(g)
- B(g);N_GUARD::QAR1(E)
- P(c);P_SPINQ(e)::QAB(E),XP(d)
- Tries
- Try
- K(D);P-FLIGHT,XB(g)
- Threat
- QAR1(E)
- Vars
- P(d);N_GUARD::QAB1(E)
- Refutation
- Q(e);P_SPINP(c),XQ(E)
- Try
- S(F);XQ(e)
- Threat
- DUALS(6)
- Vars
- R(f);XS(F)::R(H)+B(B)
- R(k);XS(F)::R(H)+B(B)
- P(c);::QAB(E),XP(d)
- Refutation
- P(c);
- Try
- B(B);
- Threat
- DUALS(9)
- Vars
- P(c);P_SPINQ(e),SBLOCK::QAB(E),XP(d)
- B(g);N_GUARD::QAR1(E),XB(g)
- Refutation
- Q(e);P_SPINP(c),XB(B)
- Try
- Actual
- S(F);
- Threat
- R(H)+B(B)
- Vars
- Q(e);N_GUARD,P_SPINP(c),XQ(E)::R(C),XB(b)
- P(c);P_SPINQ(e)::QAB(E),XP(d)
- P(c);P_SPINQ(e)::S(F)
- Q(e);N_GUARD,P_SPINP(c)::R(C),XB(b)
- B(g);N_GUARD::QAR1(E),XB(g)
- B(g);N_GUARD::QAR1(E)
- P(h);S_CUTQ(e)::QAB(E),XP(d)
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).