MESON Chess Problem Database
Problem Display
PID: 162642 (2K1N1br/P2N2p1/2p5/3k1rp1/4R3/2BPP2q/8/8 w - - 0 1)
Lipton, Michael
Die Schwalbe, 2015
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Re5#
- 1...Rf2
- 2.Re5#
- 1...Rf3
- 2.Re5#
- 1...Rf4
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Rf6
- 2.Re5#
- 1...Rf7
- 2.Re5#
- 1...Rf8
- 2.Re5#
- 1...Be6
- 2.Rd4#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- Tries
- 1.Bd4?
- threat
- 2.Sb6#
- 1...Re5
- 2.Rxe5#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- 2.Re5#
- 1...Rf2
- 2.Re5#
- 1...Rf3
- 2.Re5#
- 1...Rf4
- 2.Re5#
- 1...Rf6
- 2.Re5#
- 1...Rf7
- 2.Re5#
- 1...Rf8
- 2.Re5#
- 1...Be6!
- threat
- 1.a8S?
- threat
- 2.Sab6#
- 2.Sac7#
- 1...Qxe3
- 2.Sac7#
- 1...Re5
- 2.Sac7#
- 2.Rxe5#
- 1...Qh2
- 2.Sab6#
- 1...Qg3
- 2.Sab6#
- 1...c5!
- threat
- 1.Bd4?
- Keys
- 1.Bb4!
- threat
- 2.Sb6#
- 2.Sc7#
- 1...Qxe3
- 2.Sc7#
- 1...Re5
- 2.Sc7#
- 2.Rxe5#
- 1...c5
- 2.a8Q#
- 2.a8B#
- 1...Qh2
- 2.Sb6#
- 1...Qg3
- 2.Sb6#
- 1...Rf1
- 2.Sc7#
- 2.Re5#
- 1...Rf2
- 2.Sc7#
- 2.Re5#
- 1...Rf3
- 2.Sc7#
- 2.Re5#
- 1...Rf4
- 2.Sc7#
- 2.Re5#
- 1...Rf6
- 2.Sc7#
- 2.Re5#
- 1...Rf7
- 2.Sc7#
- 2.Re5#
- 1...Rf8
- 2.Re5#
- 1...Be6
- 2.Rd4#
- 1...Bf7
- 2.Sb6#
- 1...Bh7
- 2.Sb6#
- threat
- 1.Bb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(c);N_GUARD,P_PINS(F)::R1(D)
- R(c);N_GUARD,P_PINS(F)::R1(D),XR(c)
- B(g);P_PINS(F),SBLOCK::R1(D)
- P(e);::P=Q
- Tries
- Try
- B(A);
- Threat
- S(F)
- Vars
- R(c);N_GUARD,P_PINS(F)::R1(D),XR(c)
- P(e);::P=Q
- R(c);N_GUARD,P_PINS(F)::R1(D)
- Refutation
- B(g);P_PINS(F)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::S(E)
- Q(a);::S(E)
- Refutation
- P(e);
- Try
- Actual
- B(A);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::S(H)
- P(e);::P=Q
- Q(a);::S(F)
- R(c);N_GUARD,P_PINS(F)::R1(D)
- B(g);P_PINS(F),SBLOCK::R1(D)
- B(g);P_PINS(H)::S(F)
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).