MESON Chess Problem Database
Problem Display
PID: 148369 (4b3/2ppK3/n5Pp/NRpk2r1/N4p2/3P3Q/3n4/B3R3 w - - 0 1)
Craig, AB
British Chess Magazine, 1900
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Re5#
- 2.Qf5#
- 1...Rg2
- 2.Re5#
- 2.Qf5#
- 1...Rg3
- 2.Re5#
- 2.Qf5#
- 1...Rg4
- 2.Re5#
- 1...Re5+
- 2.Rxe5#
- 1...Rf5
- 2.Qxf5#
- 1...Rh5
- 2.Qxh5#
- 1...Rxg6
- 2.Re5#
- 2.Qf5#
- 1...Bxg6
- 2.Qxd7#
- 1...Bf7
- 2.Qxd7#
- 1...Sb1
- 2.Qf3#
- 1...Sf1
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sc4
- 2.Qf3#
- 2.dxc4#
- 1...Se4
- 2.dxe4#
- 1...Sb4
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...c6
- 2.Sb6#
- 1...d6
- 2.Qe6#
- 1...Rg1
- Tries
- 1.Bf6?
- threat
- 2.Sc3#
- 1...Sb1
- 2.Qf3#
- 1...Se4
- 2.dxe4#
- 1...Re5+!
- threat
- 1.Bg7?
- threat
- 2.Sc3#
- 1...Sb1
- 2.Qf3#
- 1...Se4
- 2.dxe4#
- 1...Re5+!
- threat
- 1.Bh8?
- threat
- 2.Sc3#
- 1...Sb1
- 2.Qf3#
- 1...Se4
- 2.dxe4#
- 1...Re5+!
- threat
- 1.Qg2+?
- 1...Rxg2
- 2.Re5#
- 1...Sf3
- 2.Qxf3#
- 2.Qa2#
- 1...Se4
- 2.Qxe4#
- 2.Qa2#
- 2.dxe4#
- 1...f3!
- 1...Rxg2
- 1.Qh1+?
- 1...Rg2
- 2.Re5#
- 1...Sf3
- 2.Qxf3#
- 1...Se4
- 2.Qxe4#
- 2.dxe4#
- 1...f3!
- 1...Rg2
- 1.Qe3?
- threat
- 2.Sc3#
- 2.Qd4#
- 1...Re5+
- 2.Qxe5#
- 1...Sb1
- 2.Qd4#
- 2.Qf3#
- 2.Qe4#
- 1...Sb3
- 2.Sc3#
- 2.Qf3#
- 2.Qe4#
- 1...Sf3
- 2.Sc3#
- 2.Qxf3#
- 2.Qe4#
- 1...Se4
- 2.Qd4#
- 2.Qxe4#
- 2.dxe4#
- 1...fxe3!
- threat
- 1.Qf3+?
- 1...Se4
- 2.Qxe4#
- 2.dxe4#
- 1...Sxf3!
- 1...Se4
- 1.Bf6?
- Keys
- 1.Qg4!
- 1...Re5+
- 2.Rxe5#
- 1...Rxg4
- 2.Re5#
- 1...Rxg6
- 2.Re5#
- 2.Qf5#
- 1...Bxg6
- 2.Qxd7#
- 1...f3
- 2.Sc3#
- 2.Qd4#
- 1...Rf5
- 2.Qxf5#
- 1...Rh5
- 2.Qxh5#
- 1...Bf7
- 2.Qxd7#
- 1...Sb1
- 2.Qf3#
- 1...Sf1
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sc4
- 2.Qf3#
- 2.dxc4#
- 1...Se4
- 2.dxe4#
- 1...Sb4
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...h5
- 2.Qxg5#
- 1...c6
- 2.Sb6#
- 1...d6
- 2.Qe6#
- 1...Re5+
- 1.Qg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::R1(B)
- R(e);CHECK,N_GUARD::R1(B),XR(e)
- R(e);N_GUARD::QAR2(D),XR(e)
- R(e);OGATEB::QAR(D),XR(e)
- B(j);N_GUARD,XP(H)::QAR2(D),XP(i)
- B(j);N_GUARD::QAR2(D),XP(i)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);OGATE::P(C),XS(a)
- S(f);N_GUARD::R1(G),XP(c)
- P(h);N_GUARD::S(E)
- P(i);N_GUARD::QAB1(D)
- Tries
- Try
- B(A);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAB(D)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(e);CHECK
- Try
- B(A);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAB(D)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(e);CHECK
- Try
- B(A);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAB(D)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(e);CHECK
- Try
- Q(D);CHECK
- Vars
- R(e);XQ(D)::R1(B)
- Refutation
- P(b);N_SPINP(c),P_SPINP(b)
- Try
- Q(D);CHECK
- Vars
- R(e);P_SPINR(e)::R1(B)
- S(a);N_GUARD,P_SPINS(a)::QAB(D),XS(a)
- Refutation
- P(b);N_SPINP(c),P_SPINP(b)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::QAR1(D),XR(e)
- Refutation
- P(b);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- S(a);XQ(D)
- Try
- Actual
- Q(D);
- Vars
- R(e);CHECK,N_GUARD::R1(B),XR(e)
- R(e);N_GUARD,XQ(D)::R1(B)
- B(j);N_GUARD,XP(H)::QAR2(D),XP(i)
- R(e);N_GUARD::QAR2(D),XR(e)
- R(e);OGATEB::QAR(D),XR(e)
- B(j);N_GUARD::QAR2(D),XP(i)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);OGATE::P(C),XS(a)
- S(f);N_GUARD::R1(G),XP(c)
- P(g);N_GUARD::QAR(D),XR(e)
- P(h);N_GUARD::S(E)
- P(i);N_GUARD::QAB1(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).