MESON Chess Problem Database
Problem Display
PID: 266532 (8/B2R2N1/1n1P4/b2NkP2/1pP4R/1P1B2Pp/5n1Q/6K1 w - - 0 1)
Barron, Philip
Probleemblad, 1950
#2
13 + 6
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 2.Qb2#
- 2.Qe2#
- 1...Sxd3
- 2.Qe2#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Qb2#
- 1...Sa4
- 2.Bd4#
- 2.g4#
- 1...Sxd5
- 2.Bd4#
- 1...Sxd7
- 2.g4#
- 1...Sa8
- 2.Bd4#
- 2.g4#
- 1...Sc8
- 2.Bd4#
- 2.g4#
- 1...Sd1
- Tries
- 1.Kf1?
- 1...Sxd3
- 2.Qe2#
- 1...Sxd5
- 2.Bd4#
- 1...Sxd7
- 2.g4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Qb2#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 2.Qb2#
- 2.Qe2#
- 1...Sa4
- 2.Bd4#
- 2.g4#
- 1...Sa8
- 2.Bd4#
- 2.g4#
- 1...Sc8
- 2.Bd4#
- 2.g4#
- 1...Sxc4!
- 1...Sxd3
- 1.Kxf2?
- threat
- 2.Re4#
- 1...Sxd5
- 2.Bd4#
- 1...Sxd7
- 2.g4#
- 1...Sxc4!
- threat
- 1.Bb1?
- 1...Sxd5
- 2.Bd4#
- 1...Sxd7
- 2.g4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Qb2#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 2.Qb2#
- 2.Qe2#
- 1...Sd3
- 2.Qe2#
- 1...Sa4
- 2.Bd4#
- 2.g4#
- 1...Sa8
- 2.Bd4#
- 2.g4#
- 1...Sc8
- 2.Bd4#
- 2.g4#
- 1...Sxc4!
- 1...Sxd5
- 1.Bxb6?
- threat
- 2.Bd4#
- 2.g4#
- 1...Sxd3
- 2.Bd4#
- 2.Qe2#
- 1...Sh1
- 2.Bd4#
- 2.Re4#
- 2.Qb2#
- 2.Qe2#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Qb2#
- 1...Bxb6!
- threat
- 1.Rd8?
- 1...Sxd3
- 2.Qe2#
- 1...Sxd5
- 2.Bd4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Qb2#
- 1...Sd7
- 2.g4#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 2.Qb2#
- 2.Qe2#
- 1...Sa4
- 2.Bd4#
- 2.g4#
- 1...Sa8
- 2.Bd4#
- 2.g4#
- 1...Sc8
- 2.Bd4#
- 2.g4#
- 1...Sxc4!
- 1...Sxd3
- 1.Qxf2?
- threat
- 2.Re4#
- 2.Qe1#
- 2.Qe3#
- 2.Qd4#
- 2.Qb2#
- 2.Qe2#
- 2.Qf4#
- 1...Sxc4
- 2.Qd4#
- 1...Sxd5
- 2.Bd4#
- 2.Qd4#
- 1...Sxd7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 2.Re4#
- 2.Qe1#
- 2.Qe3#
- 2.Qd4#
- 2.Qe2#
- 2.Qf4#
- 1...h2+!
- threat
- 1.Kf1?
- Keys
- 1.f6!
- 1...Sxd3
- 2.Qe2#
- 1...Sxc4
- 2.Rh5#
- 1...Sxd5
- 2.Bd4#
- 1...Sxd7
- 2.g4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Qb2#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 2.Qb2#
- 2.Qe2#
- 1...Sa4
- 2.Bd4#
- 2.Rh5#
- 2.g4#
- 1...Sa8
- 2.Bd4#
- 2.Rh5#
- 2.g4#
- 1...Sc8
- 2.Bd4#
- 2.Rh5#
- 2.g4#
- 1...Sxd3
- 1.f6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(G)
- S(a);OGATE,XB(D)::QAR(B)
- S(a);N_GUARD::R1(G),XS(a)
- S(a);OGATE::QAB(B)
- S(f);OGATE,XS(H)::B(K)
- S(f);XR(L)::QAB(B)+P(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);OGATE,XB(D)::QAR(B)
- S(f);OGATE,XS(H)::B(K)
- S(f);XR(L)::QAB(B)+P(E)
- S(a);N_GUARD::R1(G),XS(a)
- S(a);OGATE::QAB(B)
- S(a);N_GUARD::R1(G)
- Refutation
- S(f);XP(F)
- Try
- K(A);S_FLIGHT,XS(a)
- Threat
- R1(G)
- Vars
- S(f);OGATE,XS(H)::B(K)
- S(f);XR(L)::QAB(B)+P(E)
- Refutation
- S(f);XP(F)
- Try
- B(D);
- Vars
- S(f);OGATE,XS(H)::B(K)
- S(f);XR(L)::QAB(B)+P(E)
- S(a);N_GUARD::R1(G),XS(a)
- S(a);OGATE::QAB(B)
- S(a);N_GUARD::R1(G)
- S(a);OGATE::QAR(B)
- Refutation
- S(f);XP(F)
- Try
- B(K);XS(f)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(G),XS(a)
- S(a);OGATE::QAB(B)
- Refutation
- B(d);XB(K)
- Try
- R(L);
- Vars
- S(a);OGATE,XB(D)::QAR(B)
- S(f);OGATE,XS(H)::B(K)
- S(a);N_GUARD::R1(G),XS(a)
- S(a);OGATE::QAB(B)
- S(f);::QAB(B)+P(E)
- S(a);N_GUARD::R1(G)
- Refutation
- S(f);XP(F)
- Try
- Q(B);XS(a)
- Threat
- DUALS(7)
- Vars
- S(f);XP(F)::QAB1(B)
- S(f);XR(L)::QAB1(B)
- Refutation
- P(b);CHECK
- Try
- Actual
- P(I);
- Vars
- S(a);OGATE,XB(D)::QAR(B)
- S(f);XP(F)::R(G)
- S(f);OGATE,XS(H)::B(K)
- S(f);XR(L)::QAB(B)+P(E)
- S(a);N_GUARD::R1(G),XS(a)
- S(a);OGATE::QAB(B)
- S(a);N_GUARD::R1(G)
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).