MESON Chess Problem Database
Problem Display
PID: 52318 (B2NK1Q1/3pp1p1/4P2r/4k2p/5R2/B2Pp1P1/6N1/3q4 w - - 0 1)
Howard, Kenneth Samuel
Pittsburgh Post, 1925
#2
10 + 8
| 5089 | The Enjoyment of Chess Problems | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.d4#
- 1...Qe2
- 2.d4#
- 1...Qb3
- 2.d4#
- 1...Qf3
- 2.d4#
- 1...Qg4
- 2.d4#
- 1...Qb1
- 2.d4#
- 1...Qc1
- 2.d4#
- 1...Qe1
- 2.d4#
- 1...Qf1
- 2.d4#
- 1...Qg1
- 2.d4#
- 1...Qh1
- 2.d4#
- 1...Rxe6
- 2.Sf7#
- 1...dxe6
- 2.Sf7#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Bb2#
- 1...g5
- 2.Qxg5#
- 1...g6
- 2.Qg7#
- 1...Qc2
- Tries
- 1.Kxe7?
- threat
- 2.Sf7#
- 2.Bb2#
- 2.Bd6#
- 1...Qxd3
- 2.Sf7#
- 1...Qc2
- 2.Sf7#
- 2.Bd6#
- 2.d4#
- 1...Qe2
- 2.Sf7#
- 2.Bd6#
- 2.d4#
- 1...Qb3
- 2.Sf7#
- 2.Bd6#
- 2.d4#
- 1...Qa4
- 2.Sf7#
- 2.Bd6#
- 1...Qa1
- 2.Sf7#
- 2.Bd6#
- 1...Qb1
- 2.Sf7#
- 2.Bd6#
- 2.d4#
- 1...Qc1
- 2.Sf7#
- 2.Bd6#
- 2.d4#
- 1...Qe1
- 2.Sf7#
- 2.Bd6#
- 2.d4#
- 1...Qd2
- 2.Sf7#
- 2.Bd6#
- 1...Rf6
- 2.Bb2#
- 2.Bd6#
- 1...d5
- 2.Sc6#
- 2.Sf7#
- 2.Bd6#
- 1...d6
- 2.Sf7#
- 2.Bb2#
- 2.Bxd6#
- 1...Rxe6+!
- threat
- 1.Sc6+?
- 1...Kd5
- 2.Sxe3#
- 2.Rd4#
- 2.Rf5#
- 1...dxc6!
- 1...Kd5
- 1.Kxe7?
- Keys
- 1.Sh4!
- 1...Qxd3
- 2.Sf3#
- 1...Rxe6
- 2.Sf7#
- 1...dxe6
- 2.Sf7#
- 1...Qa1
- 2.Sf3#
- 1...Qc2
- 2.Sf3#
- 2.d4#
- 1...Qe2
- 2.d4#
- 1...Qb3
- 2.Sf3#
- 2.d4#
- 1...Qf3
- 2.Sxf3#
- 2.d4#
- 1...Qa4
- 2.Sf3#
- 1...Qg4
- 2.d4#
- 1...Qb1
- 2.Sf3#
- 2.d4#
- 1...Qc1
- 2.Sf3#
- 2.d4#
- 1...Qe1
- 2.Sf3#
- 2.d4#
- 1...Qf1
- 2.d4#
- 1...Qg1
- 2.Sf3#
- 2.d4#
- 1...Qh1
- 2.d4#
- 1...Qd2
- 2.Sf3#
- 1...Rf6
- 2.Re4#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...e2
- 2.Sf3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Bb2#
- 1...g5
- 2.Qxg5#
- 1...g6
- 2.Qg7#
- 1...Qxd3
- 1.Sh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::P(C)
- R(e);SBLOCK,XP(F)::S(H)
- P(f);SBLOCK,XP(F)::S(H)
- P(f);N_GUARD,SBLOCK::S(H)
- P(f);SBLOCK::B(B)
- P(h);OGATE::QAR2(J),XP(h)
- P(h);S_CUTR(e)::QAB(J)
- Tries
- Try
- K(I);P-FLIGHT,XP(g)
- Threat
- DUALS(3)
- Vars
- Q(a);XP(C)::S(H)
- Refutation
- R(e);CHECK,XP(F)
- Try
- S(H);CHECK
- Refutation
- P(f);XS(H)
- Try
- Actual
- S(A);
- Vars
- Q(a);N_GUARD,XP(C)::S(A)
- R(e);SBLOCK,XP(F)::S(H)
- P(f);SBLOCK,XP(F)::S(H)
- Q(a);N_GUARD::S(A)
- Q(a);N_GUARD::P(C)
- R(e);SBLOCK::R1(E)
- R(e);N_GUARD::S(A),XR(e)
- R(e);N_GUARD::S(A)
- R(e);N_GUARD,P_PINQ(J)::S(A)
- P(b);S_CUTQ(a)::S(A)
- P(f);N_GUARD,SBLOCK::S(H)
- P(f);SBLOCK::B(B)
- P(h);OGATE::QAR2(J),XP(h)
- P(h);S_CUTR(e)::QAB(J)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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