MESON Chess Problem Database
Problem Display
PID: 194161 (1n3r1b/2Ppp1B1/nPPkP3/R7/1P1N2NK/3R3B/3pr1p1/1qQ5 w - - 0 1)
Stimson, James Frank (Ua Tane)
Pittsburgh Gazette-Times, 1917
#2
13 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxe6
- 2.Sb5#
- 2.Sf5#
- 1...Rf1
- 2.c8S#
- 1...Rf2
- 2.c8S#
- 1...Rf3
- 2.c8S#
- 1...Rf4
- 2.c8S#
- 1...Rf5
- 2.c8S#
- 1...Rf6
- 2.c8S#
- 1...Rf7
- 2.c8S#
- 1...Sxb4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sxc7
- 2.Qc5#
- 1...dxe6
- 2.Sb5#
- 2.Sf5#
- 1...Rxe6
- Tries
- 1.Sf3+?
- 1...Kxe6
- 2.Sg5#
- 1...Qxd3!
- 1...Kxe6
- 1.Se3?
- threat
- 2.Sc4#
- 2.Sb5#
- 2.Rd5#
- 1...Qxd3
- 2.Rd5#
- 1...Qxc1
- 2.Rd5#
- 1...Qxb4
- 2.Rd5#
- 1...Rxe3
- 2.Sb5#
- 1...Bxg7
- 2.Sc4#
- 2.Rd5#
- 1...Sxb4
- 2.Sc4#
- 2.Sb5#
- 2.Qc5#
- 1...Sxc7
- 2.Sc4#
- 2.Sb5#
- 2.Qc5#
- 1...dxc1Q
- 2.Rd5#
- 1...dxc1S
- 2.Sc4#
- 2.Rd5#
- 1...dxc1B
- 2.Sc4#
- 2.Rd5#
- 1...dxc1R
- 2.Rd5#
- 1...dxc6
- 2.Sc4#
- 2.Sdc2#
- 2.Sb5#
- 1...dxe6
- 2.Sc4#
- 2.Sb5#
- 2.Sdf5#
- 1...Qa2
- 2.Sb3#
- 2.Sb5#
- 1...Qc2
- 2.Rd5#
- 1...Qb3
- 2.Sxb3#
- 2.Sb5#
- 1...Rf5
- 2.Sc4#
- 2.Sexf5#
- 2.c8S#
- 1...Rf6
- 2.Sc4#
- 2.Rd5#
- 2.c8S#
- 1...Sc5
- 2.Qxc5#
- 2.bxc5#
- 1...Rf4+!
- threat
- 1.Qc4?
- threat
- 2.Sc2#
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Qxd3
- 2.Sb5#
- 2.Rd5#
- 2.Qd5#
- 1...Bxg7
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Sxb4
- 2.Sb5#
- 2.Sf5#
- 2.Qc5#
- 1...Sxc7
- 2.Sb5#
- 2.Sf5#
- 2.Qc5#
- 1...Sxc6
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...dxc6
- 2.Sc2#
- 2.Sb5#
- 2.Sf5#
- 1...dxe6
- 2.Sc2#
- 2.Sb5#
- 2.Sf5#
- 1...d1Q
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...d1R
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...g1Q
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...g1B
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Qa2
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 1...Qc2
- 2.Sxc2#
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Qa1
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Qg1
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Qb2
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Qb3
- 2.Sxb3#
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 1...Re3
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Re4
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 1...Re5
- 2.Sb5#
- 2.Sf5#
- 1...Rf3
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 2.c8S#
- 1...Rf4
- 2.Sb5#
- 2.Sf5#
- 2.Rd5#
- 2.Qd5#
- 2.c8S#
- 1...Rf5
- 2.Sb5#
- 2.Sxf5#
- 2.c8S#
- 1...Sc5
- 2.Qxc5#
- 2.bxc5#
- 1...Qe1+!
- threat
- 1.cxb8Q+?
- 1...Sc7
- 2.Qxc7#
- 2.Qc5#
- 1...Sxb8
- 2.Qc5#
- 1...Rxb8!
- 1...Sc7
- 1.cxb8B+?
- 1...Sc7
- 2.Bxc7#
- 2.Qc5#
- 1...Sxb8
- 2.Qc5#
- 1...Rxb8!
- 1...Sc7
- 1.Sf3+?
- Keys
- 1.Sf6!
- threat
- 2.Rd5#
- 1...Re4+
- 2.Sxe4#
- 1...Rxf6
- 2.c8S#
- 1...Sxb4
- 2.Qc5#
- 1...Sxc7
- 2.Qc5#
- 1...dxc6
- 2.Sc2#
- 1...dxe6
- 2.Sf5#
- 1...exf6
- 2.Bxf8#
- 1...Sc5
- 2.Qxc5#
- 1...Qa2
- 2.Sb3#
- 1...Qb3
- 2.Sxb3#
- 1...Re5
- 2.Sb5#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 6
- Sets
- R(j);N_GUARD::P=S
- R(j);N_GUARD,P_PINS(F)::P=S
- S(e);N_GUARD,XP(D)::QAB1(A)
- S(e);N_GUARD::QAB1(A),XS(e)
- S(e);N_GUARD,XP(L)::QAB1(A)
- Tries
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT,XP(K)::S(E)
- Refutation
- Q(a);XR(B)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- Q(a);XR(B)::R1(H)
- Q(a);XQ(A)::R1(H)
- Q(a);P_PINS(E),XP(D)::R1(H)
- R(c);XS(F)::R(B)+S(E),DCHECK
- P(b);XQ(A)::R1(H)
- Q(a);::R1(H)
- Refutation
- R(j);CHECK
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- Q(a);CHECK
- Try
- P(L);CHECK,XS(i)
- Vars
- S(e);XQ(L)::QAB1(A)
- Refutation
- R(j);XQ(L)
- Try
- P(L);CHECK,XS(i)
- Vars
- S(e);XB(L)::QAB1(A)
- Refutation
- R(j);XB(L)
- Try
- Actual
- S(F);
- Threat
- R1(H)
- Vars
- R(c);CHECK,N_GUARD::S(F),XR(c)
- R(j);N_GUARD,XS(F)::P=S
- S(e);N_GUARD,XP(D)::QAB1(A)
- S(e);N_GUARD,XP(L)::QAB1(A)
- P(g);SBLOCK,XP(J)::R(B)+S(E)
- P(g);SBLOCK,XP(K)::R(B)+S(E),DCHECK
- P(h);OGATEB,XS(F)::B(M),XR(j)
- S(e);N_GUARD::QAB1(A),XS(e)
- Q(a);N_GUARD::R(B)+S(E)
- Q(a);N_GUARD::R(B)+S(E),XQ(a)
- R(c);SBLOCK::R(B)+S(E),DCHECK
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).