MESON Chess Problem Database
Problem Display
PID: 132781 (3R1nK1/1p1N4/nP4R1/3k4/rr6/1P4N1/q2Pp3/2Q3b1 w - - 0 1)
Baxter, FL
The Field, 1958
(First published on Thu Aug 14 1958)
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Rd6#
- 1...Bd4
- 2.Qh1#
- 1...Kd4
- Tries
- 1.Sc5+?
- 1...Ke5
- 2.Sd3#
- 1...Sd7!
- 1...Ke5
- 1.Qc3?
- threat
- 2.Sxf8#
- 2.Qe5#
- 1...Qxb3
- 2.Sxf8#
- 1...Rxb3
- 2.Sxf8#
- 1...Rxb6
- 2.Sxb6#
- 2.Qe5#
- 1...Bxb6
- 2.Sxb6#
- 2.Qe5#
- 1...Sxg6
- 2.Sf8#
- 1...Sxd7
- 2.Rxd7#
- 1...Se6
- 2.Sf6#
- 1...e1Q
- 2.Sxf8#
- 1...e1R
- 2.Sxf8#
- 1...Qa1
- 2.Sxf8#
- 1...Qb2
- 2.Sxf8#
- 1...Rc4
- 2.Qe5#
- 1...Re4
- 2.Sxf8#
- 1...Bd4
- 2.Qf3#
- 1...Bc5
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sh7
- 2.Sc5#
- 2.Se5#
- 2.Sb8#
- 2.Sf8#
- 2.Qe5#
- 1...Rd4!
- threat
- 1.Qc6+?
- 1...Kd4
- 2.Rd6#
- 2.Qe4#
- 2.Qd6#
- 1...bxc6!
- 1...Kd4
- 1.Qc7?
- threat
- 2.Sxf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Kd4
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 1...Qxb3
- 2.Sxf8#
- 2.Rd6#
- 1...Rxb3
- 2.Sxf8#
- 2.Rd6#
- 1...Rxb6
- 2.Sxb6#
- 2.Qe5#
- 1...Sxg6
- 2.Sc5#
- 2.Sf8#
- 1...Sxd7
- 2.Rxd7#
- 2.Qd6#
- 1...e1Q
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 1...e1R
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 1...Qa1
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 1...Qb2
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 1...Re4
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 1...Rg4
- 2.Sxf8#
- 2.Qe5#
- 2.Qd6#
- 1...Bd4
- 2.Sxf8#
- 2.Rd6#
- 2.Qd6#
- 2.Qxb7#
- 1...Bc5
- 2.Qe5#
- 1...Sc5
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Sb8
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Se6
- 2.Sf6#
- 1...Sh7
- 2.Sc5#
- 2.Se5#
- 2.Sb8#
- 2.Sf8#
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Sxc7!
- threat
- 1.Sc5+?
- Keys
- 1.d4!
- threat
- 2.Sxf8#
- 1...Kxd4
- 2.Rd6#
- 1...Rxd4
- 2.Qg5#
- 1...Rxb6
- 2.Sxb6#
- 1...Bxd4
- 2.Qh1#
- 1...Sxg6
- 2.Sf8#
- 1...Sxd7
- 2.Rxd7#
- 1...Se6
- 2.Sf6#
- 1...Sc5
- 2.Qxc5#
- 1...Sb8
- 2.Qc5#
- 1...Sh7
- 2.Sc5#
- 2.Se5#
- 2.Sb8#
- 2.Sf8#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(f);P-FLIGHT,P_PINP(C)::R(F)
- B(a);OGATE,SBLOCK::QAB(A)
- Tries
- Try
- S(G);CHECK
- Vars
- K(f);P-FLIGHT,P_PINP(C)::S(G)
- Refutation
- S(i);P_SPINS(i)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(C)::R(H)+S(G),XS(i)
- R(e);XP(C)::R(H)+S(G),XS(i)
- S(i);XR(F)::R(H)+S(G)
- S(i);OGATE,P_SPINS(i),XS(G)::R(H),XS(i)
- S(i);SBLOCK::R(H)+S(G),DCHECK
- P(c);::R(H)+S(G),XS(i)
- Q(b);::R(H)+S(G),XS(i)
- R(e);::QAR1(A)
- R(e);::R(H)+S(G),XS(i)
- B(a);SBLOCK,S_CUTR(e)::QAB(A)
- B(a);::QAR1(A)
- S(g);::QAR1(A)
- Refutation
- R(e);
- Try
- Q(A);CHECK
- Refutation
- P(h);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- B(a);::QAR1(A)
- S(i);SBLOCK::R(H)+S(G),DCHECK
- Refutation
- S(g);XQ(A)
- Try
- Actual
- P(B);
- Threat
- R(H)+S(G),XS(i)
- Vars
- K(f);P-FLIGHT,P_PINP(C),XP(B)::R(F)
- R(e);SBLOCK,XP(B)::QAR(A)
- R(e);XP(E)::R(H)+S(G),DCHECK,XR(e)
- B(a);OGATE,SBLOCK,XP(B)::QAB(A)
- S(i);XR(F)::R(H)+S(G)
- S(i);OGATE,P_SPINS(i),XS(G)::R(H),XS(i)
- S(i);SBLOCK::R(H)+S(G),DCHECK
- S(g);N_GUARD::QAR1(A),XS(g)
- S(g);N_GUARD::QAR1(A)
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).