MESON Chess Problem Database
Problem Display
PID: 186605 (1B1r4/4RQ2/2Nnn1q1/2p2b2/6p1/2P1k3/5R2/1BN3K1 w - - 0 1)
Henry, S
Chess, 1959
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxb1
- 2.Re2#
- 2.Qf4#
- 1...Bc2
- 2.Re2#
- 2.Qf4#
- 1...Bd3
- 2.Qf4#
- 1...Be4
- 2.Re2#
- 1...Sc4
- 2.Bf4#
- 1...Sb5
- 2.Bf4#
- 1...Sb7
- 2.Bf4#
- 1...Sxf7
- 2.Bf4#
- 1...Sc8
- 2.Bf4#
- 1...Se8
- 2.Bf4#
- 1...c4
- 2.Ba7#
- 1...Bxb1
- Tries
- 1.Rxe6+?
- 1...Be4
- 2.Re2#
- 2.Qf4#
- 1...Bxe6
- 2.Re2#
- 2.Qf4#
- 1...Se4
- 2.Bf4#
- 1...Qxe6!
- 1...Be4
- 1.Qxf5?
- threat
- 2.Re2#
- 2.Qf4#
- 2.Qxc5#
- 1...Sxf5
- 2.Bf4#
- 1...Qh5
- 2.Re2#
- 2.Qd3#
- 2.Qf4#
- 1...Qf7
- 2.Re2#
- 2.Qd3#
- 2.Qxc5#
- 1...Qg5
- 2.Re2#
- 2.Qd3#
- 2.Qxg5#
- 1...Qf6
- 2.Re2#
- 2.Qd3#
- 1...Qh6
- 2.Re2#
- 2.Qd3#
- 2.Qxc5#
- 1...Qg7
- 2.Re2#
- 2.Qd3#
- 2.Qf4#
- 1...Rf8
- 2.Re2#
- 2.Qxc5#
- 1...Sc4
- 2.Bf4#
- 2.Re2#
- 2.Qf4#
- 1...Se4
- 2.Re2#
- 1...Sb5
- 2.Bf4#
- 2.Re2#
- 2.Qf4#
- 1...Sb7
- 2.Bf4#
- 2.Re2#
- 2.Qf4#
- 1...Sf7
- 2.Bf4#
- 2.Re2#
- 2.Qf4#
- 1...Sc8
- 2.Bf4#
- 2.Re2#
- 2.Qf4#
- 1...Se8
- 2.Bf4#
- 2.Re2#
- 2.Qf4#
- 1...c4
- 2.Ba7#
- 2.Re2#
- 2.Qf4#
- 2.Qc5#
- 1...Qxf5!
- threat
- 1.Rxe6+?
- Keys
- 1.Sb4!
- threat
- 2.Sd5#
- 1...Bxb1
- 2.Re2#
- 2.Qf4#
- 1...Sxf7
- 2.Bf4#
- 1...cxb4
- 2.Ba7#
- 1...Bc2
- 2.Re2#
- 2.Qf4#
- 1...Bd3
- 2.Qf4#
- 1...Be4
- 2.Re2#
- 1...Sc4
- 2.Bf4#
- 1...Se4
- 2.Sc2#
- 1...Sb5
- 2.Bf4#
- 1...Sb7
- 2.Bf4#
- 1...Sc8
- 2.Bf4#
- 1...Se8
- 2.Bf4#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(d);OGATE::QAB1(H)
- B(d);N_SPINS(f)::R1(D)
- S(e);OGATE::B(I)
- S(e);OGATE,XQ(H)::B(I)
- P(c);OGATEB::B(I)
- Tries
- Try
- R(G);CHECK,XS(f)
- Vars
- S(e);OGATE,P_SPINS(e)::B(I)
- Refutation
- Q(g);XR(G)
- Try
- Q(H);XB(d)
- Threat
- DUALS(3)
- Vars
- S(e);OGATE,XQ(H)::B(I)
- S(e);N_SPINS(f)::R1(D)
- Refutation
- Q(g);XQ(H)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- S(e);OGATE,XQ(H)::B(I)
- P(c);OGATEB,XS(F)::B(I)
- B(d);OGATE::QAB1(H)
- B(d);N_SPINS(f)::R1(D)
- S(e);OGATE::B(I)
- S(e);N_SPINS(f),SBLOCK,S_CUTB(d)::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).