MESON Chess Problem Database
Problem Display
PID: 63674 (2K4Q/8/3B4/1P1k1pN1/4N3/1P1nn2B/8/4R3 w - - 0 1)
Carter-Armstrong, Rev S
Chess Amateur (The), 1909
#2
9 + 4
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qe5#
- 1...Sxe1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...f4
- 2.Be6#
- 1...Sc1
- Tries
- 1.Kc7?
- threat
- 2.Sc3#
- 1...fxe4
- 2.Be6#
- 1...Se5
- 2.Qxe5#
- 1...Sd1!
- threat
- 1.Sf3?
- 1...Ke6
- 2.Qg8#
- 1...Sxe1
- 2.Qe5#
- 1...fxe4
- 2.Qd4#
- 1...Sd1
- 2.Qg8#
- 1...Sc1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf1
- 2.Qg8#
- 1...Sc2
- 2.Qg8#
- 1...Sg2
- 2.Qg8#
- 1...Sc4
- 2.Qg8#
- 1...Sg4
- 2.Qg8#
- 1...f4
- 2.Qd4#
- 1...Kxe4!
- 1...Ke6
- 1.Bxf5?
- threat
- 2.Be6#
- 1...Se5
- 2.Qxe5#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Sxf5!
- threat
- 1.Rd1?
- threat
- 2.Rxd3#
- 2.Qe5#
- 1...fxe4
- 2.Qe5#
- 1...Sc2
- 2.Qe5#
- 1...Sc4
- 2.Rxd3#
- 1...Sg4
- 2.Rxd3#
- 1...Sxd1!
- threat
- 1.Rxe3?
- threat
- 2.Rxd3#
- 1...Se5
- 2.Qxe5#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...fxe4!
- threat
- 1.Qc3?
- threat
- 2.Qxd3#
- 1...Sxe1
- 2.Qe5#
- 2.Qc5#
- 1...Sc1
- 2.Qe5#
- 2.Qc5#
- 1...Sb2
- 2.Qe5#
- 2.Qc5#
- 1...Sf2
- 2.Qe5#
- 2.Qc5#
- 1...Sb4
- 2.Qe5#
- 2.Qc5#
- 1...Sf4
- 2.Qe5#
- 2.Qc5#
- 1...Sc5
- 2.Qe5#
- 2.Qxc5#
- 1...Se5
- 2.Qxe5#
- 2.Qc5#
- 1...Sc2
- 2.Qc4#
- 1...fxe4!
- threat
- 1.Kc7?
- Keys
- 1.Se6!
- 1...Kxe4
- 2.Bg2#
- 1...Kxe6
- 2.Qg8#
- 1...Sxe1
- 2.Qe5#
- 1...fxe4
- 2.Qd4#
- 1...Sd1
- 2.Sc7#
- 1...Sc1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf1
- 2.Sc7#
- 1...Sc2
- 2.Sc7#
- 1...Sg2
- 2.Sc7#
- 1...Sc4
- 2.Sc7#
- 1...Sg4
- 2.Sc7#
- 1...f4
- 2.Qd4#
- 1...Kxe4
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(I)
- S(a);N_GUARD,XR(A)::QAR1(I)
- S(a);N_GUARD::QAR1(I),XS(a)
- P(d);OGATE::B(C)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- S(D)
- Vars
- P(d);OGATE,XS(D)::B(C)
- S(a);N_GUARD::QAR1(I),XS(a)
- Refutation
- S(b);
- Try
- S(F);
- Vars
- K(c);P_SPINP(d),S_FLIGHT::QAB(I)
- S(a);N_GUARD,XR(A)::QAR1(I)
- P(d);XS(D)::QAR1(I)
- S(b);::QAB(I)
- S(a);N_GUARD::QAR1(I)
- S(a);N_GUARD::QAR1(I),XS(a)
- P(d);::QAR1(I)
- Refutation
- K(c);P_SPINS(b),S_FLIGHT,XS(D)
- Try
- B(C);XP(d)
- Threat
- B(C)
- Vars
- S(a);N_GUARD::QAR1(I),XS(a)
- S(a);N_GUARD::QAR1(I)
- Refutation
- S(b);XB(C)
- Try
- R(A);P_PINS(a)
- Threat
- DUALS(2)
- Vars
- P(d);XS(D)::QAR1(I)
- S(b);::QAR1(I)
- S(b);::R(A),XS(a)
- Refutation
- S(b);N_SPINS(a),XR(A)
- Try
- R(A);XS(b)
- Threat
- R(A),XS(a)
- Vars
- S(a);N_GUARD::QAR1(I),XS(a)
- S(a);N_GUARD::QAR1(I)
- Refutation
- P(d);XS(D)
- Try
- Q(I);
- Threat
- QAR2(I),XS(a)
- Vars
- S(b);N_GUARD::QAB1(I)
- Refutation
- P(d);XS(D)
- Try
- Actual
- S(F);
- Vars
- K(c);OGATEB,P_SPINS(b),S_FLIGHT,XS(D)::B(C)
- K(c);OGATEB,P_SPINP(d),S_FLIGHT,XS(F)::QAB(I)
- S(a);N_GUARD,XR(A)::QAR1(I)
- P(d);XS(D)::QAR1(I)
- S(b);::S(F)
- S(a);N_GUARD::QAR1(I)
- S(a);N_GUARD::QAR1(I),XS(a)
- P(d);::QAR1(I)
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).