MESON Chess Problem Database
Problem Display
PID: 55930 (4K3/3pP3/1N1Q1bp1/2p3p1/1np1k1Pp/R6N/4r3/6B1 w - - 0 1)
Mead, CG
3rd Comm., Brisbane Courier, 1913
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sf2#
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rf2
- 2.Sxf2#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Ba1
- 2.Sxg5#
- 1...Bb2
- 2.Sxg5#
- 1...Bc3
- 2.Sxg5#
- 1...Bd4
- 2.Sxg5#
- 1...Be5
- 2.Qxg6#
- 1...Bxe7
- 2.Qxe7#
- 1...Bg7
- 2.Sxg5#
- 1...Bh8
- 2.Sxg5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Re1
- Tries
- 1.Kxd7?
- 1...Bxe7
- 2.Qxe7#
- 2.Qe6#
- 1...Re3
- 2.Rxe3#
- 1...Bc3
- 2.Sxg5#
- 1...Sd3
- 2.Qd5#
- 1...Re1
- 2.Sf2#
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rf2
- 2.Sxf2#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Ba1
- 2.Sxg5#
- 1...Bb2
- 2.Sxg5#
- 1...Bd4
- 2.Sxg5#
- 1...Be5
- 2.Qxg6#
- 1...Bg7
- 2.Sxg5#
- 1...Bh8
- 2.Sxg5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...c3!
- 1...Bxe7
- 1.Kf7?
- 1...Bxe7
- 2.Qxe7#
- 1...Re3
- 2.Rxe3#
- 1...Bc3
- 2.Sxg5#
- 1...Sd3
- 2.Qd5#
- 1...Re1
- 2.Sf2#
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rf2
- 2.Sxf2#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Ba1
- 2.Sxg5#
- 1...Bb2
- 2.Sxg5#
- 1...Bd4
- 2.Sxg5#
- 1...Be5
- 2.Qxg6#
- 1...Bg7
- 2.Sxg5#
- 1...Bh8
- 2.Sxg5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...c3!
- 1...Bxe7
- 1.Sxc4?
- 1...Bxe7
- 2.Qe5#
- 1...Re3
- 2.Sd2#
- 2.Rxe3#
- 1...Bc3
- 2.Sxg5#
- 1...Sd3
- 2.Qxd3#
- 1...Re1
- 2.Sf2#
- 2.Sd2#
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Sxd2#
- 2.Re3#
- 1...Rf2
- 2.Sxf2#
- 2.Re3#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Ba1
- 2.Sxg5#
- 1...Bb2
- 2.Sxg5#
- 1...Bd4
- 2.Sxg5#
- 1...Be5
- 2.Qxe5#
- 1...Bg7
- 2.Sxg5#
- 1...Bh8
- 2.Sxg5#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Sd5!
- 1...Bxe7
- 1.Sxd7?
- threat
- 2.Sxc5#
- 2.Sxf6#
- 1...Bxe7
- 2.Sxc5#
- 2.Qe5#
- 2.Qe6#
- 1...Re3
- 2.Rxe3#
- 1...Bc3
- 2.Sxg5#
- 1...Sd3
- 2.Qc6#
- 1...Rf2
- 2.Sxf2#
- 2.Sxc5#
- 1...Ba1
- 2.Sxg5#
- 2.Sxc5#
- 1...Bb2
- 2.Sxg5#
- 2.Sxc5#
- 1...Bd4
- 2.Sxg5#
- 1...Be5
- 2.Sxc5#
- 2.Qxe5#
- 1...Bg7
- 2.Sxg5#
- 2.Sxc5#
- 1...Bh8
- 2.Sxg5#
- 2.Sxc5#
- 1...Sd5
- 2.Sxc5#
- 1...Sa6
- 2.Sxf6#
- 2.Qc6#
- 1...c3!
- threat
- 1.Bxc5?
- 1...Bxe7
- 2.Qxe7#
- 2.Qd4#
- 1...Re3
- 2.Rxe3#
- 1...Bc3
- 2.Sxg5#
- 1...Sd3
- 2.Qd5#
- 1...Re1
- 2.Sf2#
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rf2
- 2.Sxf2#
- 2.Re3#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Ba1
- 2.Sxg5#
- 1...Bb2
- 2.Sxg5#
- 1...Bd4
- 2.Sxg5#
- 2.Qxd4#
- 1...Be5
- 2.Qxg6#
- 1...Bg7
- 2.Sxg5#
- 1...Bh8
- 2.Sxg5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...c3!
- 1...Bxe7
- 1.Qe6+?
- 1...Be5
- 2.Qxg6#
- 1...dxe6!
- 1...Be5
- 1.Kxd7?
- Keys
- 1.Rc3!
- 1...Bxc3
- 2.Sxg5#
- 1...Bxe7
- 2.Qxe7#
- 1...Re3
- 2.Rxe3#
- 1...Sd3
- 2.Qd5#
- 1...Re1
- 2.Sf2#
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rf2
- 2.Sxf2#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Bd4
- 2.Sxg5#
- 1...Be5
- 2.Qxg6#
- 1...Bg7
- 2.Sxg5#
- 1...Bh8
- 2.Sxg5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Bxc3
- 1.Rc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::S(C),XR(a)
- R(a);N_GUARD::R1(B),XR(a)
- B(h);N_GUARD::S(C),XP(g)
- B(h);OGATE,SBLOCK::QAB(F),XP(i)
- B(h);OGATE,XP(G)::QAR(F),XB(h)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- Tries
- Try
- K(H);S_FLIGHT,XP(j)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- B(h);N_GUARD::S(C),XP(g)
- S(b);N_GUARD::QAB1(F)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD,P_PINQ(F)::R1(B)
- R(a);N_GUARD::S(C),XR(a)
- B(h);OGATE,SBLOCK::QAB(F),XP(i)
- S(b);N_GUARD::QAB1(F),XS(b)
- Refutation
- P(c);
- Try
- K(H);S_FLIGHT
- Vars
- B(h);OGATE,XP(G)::QAR(F),XB(h)
- R(a);N_GUARD::R1(B),XR(a)
- B(h);N_GUARD::S(C),XP(g)
- S(b);N_GUARD::QAB1(F)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::S(C),XR(a)
- B(h);OGATE,SBLOCK::QAB(F),XP(i)
- S(b);N_GUARD::QAB1(F),XS(b)
- Refutation
- P(c);
- Try
- S(E);XP(c)
- Vars
- B(h);N_GUARD,XP(G)::QAR1(F)
- B(h);N_GUARD::S(C),XP(g)
- S(b);N_GUARD::QAB1(F),XS(b)
- R(a);N_GUARD::R1(B)
- B(h);N_GUARD::QAR1(F),XB(h)
- S(b);N_GUARD::QAB1(F)
- Refutation
- S(b);
- Try
- S(E);XP(j)
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- B(h);N_GUARD::S(C),XP(g)
- S(b);N_GUARD::QAB(F)
- S(b);::S(E),XP(f)
- Refutation
- P(c);
- Try
- B(A);XP(f)
- Vars
- R(a);N_GUARD::R1(B),XR(a)
- B(h);N_GUARD::S(C),XP(g)
- S(b);N_GUARD::QAB1(F)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::R1(B)
- B(h);OGATE,SBLOCK::QAB(F),XP(i)
- S(b);N_GUARD::QAB1(F),XS(b)
- Refutation
- P(c);
- Try
- Q(F);CHECK
- Vars
- B(h);OGATE,P_SPINB(h),SBLOCK::QAB(F),XP(i)
- Refutation
- P(j);XQ(F)
- Try
- Actual
- R(B);
- Vars
- B(h);N_GUARD,XR(B)::S(C),XP(g)
- B(h);OGATE,XP(G)::QAR(F),XB(h)
- R(a);N_GUARD::R1(B),XR(a)
- S(b);N_GUARD::QAB1(F)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::S(C),XR(a)
- B(h);N_GUARD::S(C),XP(g)
- B(h);OGATE,SBLOCK::QAB(F),XP(i)
- S(b);N_GUARD::QAB1(F),XS(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).