MESON Chess Problem Database
Problem Display
PID: 23811 (K7/B3pN1p/2P1rR1r/3k1P2/ppR1N1B1/1pnPp3/1Q6/b7 w - - 0 1)
Ulanov, Lev
Thema Danicum, 1996
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rd4#
- 1...Rxc6
- 2.Rd4#
- 1...Sb1
- 2.Rc5#
- 1...Sd1
- 2.Rc5#
- 1...Sa2
- 2.Rc5#
- 1...Se2
- 2.Rc5#
- 1...Sb5
- 2.Rc5#
- 1...Re5
- Tries
- 1.Kb7?
- threat
- 2.Rd4#
- 1...Se2
- 2.Rc5#
- 1...Sb5
- 2.Rc5#
- 1...Rxe4!
- threat
- 1.Bxe3?
- threat
- 2.Rc5#
- 1...Rxc6
- 2.Rd4#
- 1...Sxe4!
- threat
- 1.Rxe6?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Se2
- 2.Rc5#
- 2.Re5#
- 1...Sb5
- 2.Rc5#
- 2.Re5#
- 1...Rxe6!
- threat
- 1.Qg2?
- threat
- 2.Sxc3#
- 1...Rxe4
- 2.Rd4#
- 1...Sb1
- 2.Sc3#
- 1...Sd1
- 2.Sc3#
- 1...Sa2
- 2.Sc3#
- 1...Se2
- 2.Sc3#
- 1...Sb5
- 2.Sc3#
- 1...Sxe4!
- threat
- 1.Kb7?
- Keys
- 1.Bf3!
- threat
- 2.Sxc3#
- 1...Rxe4
- 2.Rd4#
- 1...Sxe4
- 2.Rc5#
- 1...Sb1
- 2.Sc3#
- 2.Rc5#
- 1...Sd1
- 2.Sc3#
- 2.Rc5#
- 1...Sa2
- 2.Sc3#
- 2.Rc5#
- 1...Se2
- 2.Sc3#
- 2.Rc5#
- 1...Sb5
- 2.Sc3#
- 2.Rc5#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(h);::R1(C)
- R(h);XP(G)::R1(C)
- S(c);::R1(C)
- Tries
- Try
- K(K);S_FLIGHT
- Threat
- R1(C)
- Vars
- S(c);::R1(C)
- Refutation
- R(h);XS(D)
- Try
- B(I);XP(d)
- Threat
- R1(C)
- Vars
- R(h);XP(G)::R1(C)
- Refutation
- S(c);XS(D)
- Try
- R(H);XR(h)
- Threat
- DUALS(2)
- Refutation
- R(i);XR(H)
- Try
- Q(A);
- Threat
- QAB(A)+S(D),DCHECK,XS(c)
- Vars
- R(h);P_SPINR(h),XS(D)::R1(C)
- S(c);::QAB(A)+S(D),DCHECK
- Refutation
- S(c);P_SPINS(c),XS(D)
- Try
- Actual
- B(E);
- Threat
- B(E)+S(D),DCHECK,XS(c)
- Vars
- R(h);P_SPINR(h),XS(D)::R1(C)
- S(c);P_SPINS(c),XS(D)::R1(C)
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).