MESON Chess Problem Database
Problem Display
PID: 182560 (N3B3/8/R1b4n/np1k4/1B1P1RN1/8/8/6QK w - - 0 1)
Greenwood, William M
British Chess Magazine, 1912
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Bb7
- 2.Se3#
- 1...Bd7
- 2.Se3#
- 1...Bxa8
- 2.Se3#
- 1...Bxe8
- 2.Se3#
- 1...Sc4
- 2.Sc7#
- 1...Sxg4
- 2.Bf7#
- 1...Sf5
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 1...Bb7
- Tries
- 1.Se5?
- threat
- 2.Sc7#
- 1...Bxa8
- 2.Rd6#
- 2.Qg2#
- 1...Ke6+!
- threat
- 1.Bd7?
- threat
- 2.Se3#
- 2.Sb6#
- 1...Bxd7
- 2.Se3#
- 1...Bxa8
- 2.Se3#
- 2.Be6#
- 1...Sxg4
- 2.Sb6#
- 1...Sc4
- 2.Sf6#
- 2.Sc7#
- 2.Qg2#
- 1...Sf5
- 2.Sb6#
- 1...Kc4+!
- threat
- 1.Rxc6?
- threat
- 2.Se3#
- 2.Sf6#
- 2.Sb6#
- 2.Sc7#
- 2.Qg2#
- 1...Sxg4
- 2.Sb6#
- 2.Sc7#
- 2.Qg2#
- 1...Sc4
- 2.Sf6#
- 2.Sc7#
- 2.Qg2#
- 1...Sf5
- 2.Sf6#
- 2.Sb6#
- 2.Sc7#
- 2.Qg2#
- 1...Sg8
- 2.Se3#
- 2.Sb6#
- 2.Sc7#
- 2.Qg2#
- 1...Sxc6!
- threat
- 1.Qb1?
- 1...Ke6+
- 2.Qe4#
- 1...Bxa8
- 2.Se3#
- 1...Bxe8
- 2.Se3#
- 1...Sxg4
- 2.Bf7#
- 1...Bb7
- 2.Se3#
- 1...Bd7
- 2.Se3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Sc7#
- 2.Qe4#
- 1...Sb7
- 2.Qa2#
- 2.Qb3#
- 1...Sf5
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 1...Kc4+!
- 1...Ke6+
- 1.Qc1?
- threat
- 2.Sc7#
- 1...Bxa8
- 2.Se3#
- 2.Sf6#
- 2.Rd6#
- 2.Qc5#
- 1...Ke6+!
- threat
- 1.Qe1?
- threat
- 2.Sb6#
- 1...Bxa8
- 2.Se3#
- 2.Qe6#
- 1...Bxe8
- 2.Se3#
- 2.Qe6#
- 1...Bd7
- 2.Se3#
- 1...Sc4
- 2.Sf6#
- 2.Sc7#
- 2.Bxc6#
- 2.Qe4#
- 1...Kc4+!
- threat
- 1.Qf1?
- threat
- 2.Sc7#
- 1...Bxa8
- 2.Se3#
- 2.Sf6#
- 2.Rd6#
- 2.Qxb5#
- 1...Ke6+!
- threat
- 1.Qg2+?
- 1...Ke6
- 2.Sc7#
- 2.Rf6#
- 2.Qe4#
- 2.d5#
- 1...Kc4!
- 1...Ke6
- 1.Se5?
- Keys
- 1.Qd1!
- 1...Kc4+
- 2.d5#
- 1...Ke6+
- 2.d5#
- 1...Bxa8
- 2.Se3#
- 1...Bxe8
- 2.Se3#
- 1...Sxg4
- 2.Bf7#
- 1...Bb7
- 2.Se3#
- 1...Bd7
- 2.Se3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Sc7#
- 1...Sb7
- 2.Qb3#
- 1...Sf5
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Sg8
- 2.Bf7#
- 1...Kc4+
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(d);::S(F)
- B(d);XS(H)::S(F)
- B(d);XB(I)::S(F)
- S(a);SBLOCK::S(H)
- S(e);N_GUARD,XS(F)::B(I)
- S(e);N_GUARD::B(I)
- S(e);N_GUARD::B(I),XS(e)
- Tries
- Try
- S(F);
- Threat
- S(H)
- Refutation
- K(c);CHECK,P_SPINB(d),S_FLIGHT
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- B(d);XB(I)::S(F)
- S(e);XS(F)::S(H)
- S(e);::S(H)
- Refutation
- K(c);CHECK,S_FLIGHT
- Try
- R(G);XB(d)
- Threat
- DUALS(5)
- Refutation
- S(a);XR(G)
- Try
- Q(A);
- Vars
- K(c);CHECK,P_SPINB(d),S_FLIGHT::QAR2(A)
- B(d);XS(H)::S(F)
- B(d);XB(I)::S(F)
- S(e);N_GUARD,XS(F)::B(I)
- B(d);::S(F)
- S(a);N_GUARD::QAB(A),XS(a)
- S(e);N_GUARD::B(I)
- S(e);N_GUARD::B(I),XS(e)
- Refutation
- K(c);CHECK,S_FLIGHT
- Try
- Q(A);
- Threat
- S(H)
- Refutation
- K(c);CHECK,P_SPINB(d),S_FLIGHT
- Try
- Q(A);
- Threat
- S(H)
- Vars
- B(d);::S(F)
- Refutation
- K(c);CHECK,S_FLIGHT
- Try
- Q(A);
- Threat
- S(H)
- Refutation
- K(c);CHECK,P_SPINB(d),S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- K(c);P_PINQ(A),S_FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(c);CHECK,OGATE,S_FLIGHT::R(E)+P(D)
- K(c);CHECK,OGATE,P_SPINB(d),S_FLIGHT::P(D)
- B(d);XS(H)::S(F)
- B(d);XB(I)::S(F)
- S(e);N_GUARD,XS(F)::B(I)
- B(d);::S(F)
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);SBLOCK::S(H)
- S(a);N_GUARD::QAB(A)
- S(e);N_GUARD::B(I)
- S(e);N_GUARD::B(I),XS(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).