MESON Chess Problem Database
Problem Display
PID: 185830 (2N5/1P2r3/K1p5/2NkP3/1B4R1/n1P3bQ/4p2q/8 w - - 0 1)
Tuxen, Harri Viggo
Chess, 1957
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Rd4#
- 1...Bxe5
- 2.Qf3#
- 1...Rxe5
- Tries
- 1.Re4?
- threat
- 2.Sb6#
- 2.Sxe7#
- 1...Rxe5
- 2.Rd4#
- 2.Qd7#
- 1...Rxb7
- 2.Qe6#
- 1...Re6
- 2.Sb6#
- 2.Qxe6#
- 1...Rc7
- 2.Sb6#
- 2.Qe6#
- 1...Rd7
- 2.Sb6#
- 2.Qe6#
- 2.Qxd7#
- 1...Rf7
- 2.Sb6#
- 2.Qe6#
- 1...Rg7
- 2.Sb6#
- 2.Qe6#
- 1...Rh7
- 2.Sb6#
- 2.Qe6#
- 1...Re8
- 2.Sb6#
- 2.Qd7#
- 1...Bh4
- 2.Sb6#
- 2.Qd3#
- 1...Sc4
- 2.Sxe7#
- 1...Bxe5!
- threat
- 1.Qxg3?
- threat
- 2.Sb6#
- 2.Sxe7#
- 2.Rd4#
- 1...Rxe5
- 2.Rd4#
- 2.Qd3#
- 1...Rxb7
- 2.Rd4#
- 1...Qg1
- 2.Sb6#
- 2.Sxe7#
- 1...Qf2
- 2.Sb6#
- 2.Sxe7#
- 1...Qh4
- 2.Sb6#
- 1...Qh7
- 2.Sb6#
- 2.Rd4#
- 1...Re6
- 2.Sb6#
- 2.Rd4#
- 1...Rc7
- 2.Sb6#
- 2.Rd4#
- 1...Rd7
- 2.Sb6#
- 2.Rd4#
- 1...Rf7
- 2.Sb6#
- 2.Rd4#
- 1...Rg7
- 2.Sb6#
- 2.Rd4#
- 1...Rh7
- 2.Sb6#
- 2.Rd4#
- 1...Re8
- 2.Sb6#
- 2.Rd4#
- 1...Sc2
- 2.Sb6#
- 2.Sxe7#
- 2.c4#
- 1...Sc4
- 2.Sxe7#
- 2.Rd4#
- 1...Sb5
- 2.Sb6#
- 2.Sxe7#
- 2.c4#
- 1...Qxg3!
- threat
- 1.Qh5?
- threat
- 2.Sb6#
- 2.Sxe7#
- 2.Rd4#
- 1...Rxe5
- 2.Rd4#
- 1...Rxb7
- 2.Rd4#
- 1...Bxe5
- 2.Rd4#
- 1...Bf4
- 2.Sb6#
- 1...Qg1
- 2.Sb6#
- 2.Sxe7#
- 1...Qf2
- 2.Sb6#
- 2.Sxe7#
- 1...Qh4
- 2.Sb6#
- 1...Re6
- 2.Sb6#
- 2.Rd4#
- 1...Rc7
- 2.Sb6#
- 2.Rd4#
- 1...Rd7
- 2.Sb6#
- 2.Rd4#
- 1...Rf7
- 2.Sb6#
- 2.Rd4#
- 1...Rg7
- 2.Sb6#
- 2.Rd4#
- 1...Rh7
- 2.Sb6#
- 2.Rd4#
- 1...Re8
- 2.Sb6#
- 2.Rd4#
- 1...Bf2
- 2.Sb6#
- 2.Sxe7#
- 1...Bh4
- 2.Sb6#
- 2.Rd4#
- 1...Sc2
- 2.Sb6#
- 2.Sxe7#
- 2.c4#
- 1...Sc4
- 2.Sxe7#
- 2.Rd4#
- 1...Sb5
- 2.Sb6#
- 2.Sxe7#
- 2.c4#
- 1...Qxh5!
- threat
- 1.Re4?
- Keys
- 1.Rg5!
- threat
- 2.Sb6#
- 1...Kc4
- 2.Sb6#
- 1...Rxe5
- 2.Qe6#
- 1...Rxb7
- 2.Qe6#
- 1...Bxe5
- 2.Qd3#
- 1...Sc4
- 2.Sxe7#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(g);SBLOCK,XP(F)::R1(D)
- B(d);OGATE,SBLOCK,XP(F)::QAB(B)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XP(H)::QAB1(B)
- S(c);::S(I),XR(g)
- Refutation
- B(d);XP(F)
- Try
- Q(B);XB(d)
- Threat
- DUALS(3)
- Vars
- R(g);XP(H)::R1(D)
- Q(b);::S(I)
- Refutation
- Q(b);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(g);P_SPINR(g),XP(F)::R1(D)
- R(g);XP(H)::R1(D)
- B(d);P_SPINB(d),XP(F)::R1(D)
- B(d);::S(I)
- Q(b);::S(I)
- Refutation
- Q(b);XQ(B)
- Try
- Actual
- R(D);
- Threat
- S(I)
- Vars
- K(e);S_FLIGHT::S(I)
- R(g);N_GUARD,P_SPINR(g),XP(F)::QAB1(B)
- R(g);N_GUARD,XP(H)::QAB1(B)
- B(d);OGATE,P_SPINB(d),XP(F)::QAR2(B)
- S(c);SBLOCK::S(I),XR(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).