MESON Chess Problem Database
Problem Display
PID: 255674 (Q3R3/5bnB/8/3NPr1p/2K1k3/3R1pPp/1BP5/5qn1 w - - 0 1)
di Scala, Pascal
Probleemblad, 1984
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Re3#
- 2.Rd4#
- 1...Qxd3+
- 2.cxd3#
- 1...Qa1
- 2.Re3#
- 2.Rd4#
- 1...Qb1
- 2.Re3#
- 2.Rd4#
- 1...Qc1
- 2.Rd4#
- 1...Qd1
- 2.Re3#
- 1...Qe1
- 2.Rd4#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bg6
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Bxe8
- 2.Sf6#
- 1...Se2
- 2.Re3#
- 1...Se6
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qg2
- Tries
- 1.Kb4?
- threat
- 2.Sc3#
- 2.Sf6#
- 2.Re3#
- 2.Rd4#
- 1...Qe1+
- 2.Sc3#
- 1...Bxd5
- 2.Qxd5#
- 1...Bxe8
- 2.Sf6#
- 2.Re3#
- 1...Sxe8
- 2.Sf6#
- 2.Re3#
- 1...Qe2
- 2.Sc3#
- 2.Sf6#
- 2.Rd4#
- 1...Qc1
- 2.Sc3#
- 2.Sf6#
- 2.Rd4#
- 1...Qd1
- 2.Sc3#
- 2.Sf6#
- 2.Re3#
- 1...Qf2
- 2.Sc3#
- 2.Sf6#
- 1...Be6
- 2.Sf6#
- 2.Re3#
- 1...Se2
- 2.Sc3#
- 2.Sf6#
- 2.Re3#
- 1...Se6
- 2.Se3#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Re3#
- 1...f2
- 2.Sc3#
- 2.Sf6#
- 2.Re3#
- 1...Qxd3!
- threat
- 1.Re6?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qxd3+
- 2.cxd3#
- 1...Sxe6
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qa1
- 2.Sc3#
- 2.Sf6#
- 2.Re3#
- 2.Rd4#
- 1...Be8
- 2.Sc3#
- 2.Sf6#
- 1...Bxe6!
- threat
- 1.e6?
- threat
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qxd3+
- 2.cxd3#
- 1...Bxe8
- 2.Sf6#
- 1...Qa1
- 2.Sf6#
- 2.Re3#
- 1...Bg6
- 2.Sf6#
- 1...Bxe6!
- threat
- 1.Kb4?
- Keys
- 1.Qd8!
- threat
- 2.Qh4#
- 1...Qxd3+
- 2.cxd3#
- 1...Bxd5+
- 2.Qxd5#
- 1...Qc1
- 2.Rd4#
- 1...Bg6
- 2.Sc3#
- 1...Se2
- 2.Re3#
- 1...Se6
- 2.Sf6#
- 1...h4
- 2.Qxh4#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(a);CHECK,OGATE,XR(C)::P(B),XQ(a)
- Q(a);N_PINR(C),P_PINP(B)::R1(C)
- Q(a);N_PINR(C)::R1(C)
- B(h);CHECK,OGATE,P_SPINB(h),XS(F)::QAB1(I),XB(h)
- B(h);N_PINS(F),XR(J)::QAB(I)+S(F),DCHECK
- S(b);N_PINR(C)::R1(C)
- Tries
- Try
- K(E);N_SPINR(C),N_SPINS(F),P-FLIGHT
- Threat
- DUALS(4)
- Vars
- Q(a);CHECK::QAB(I)+S(F),DCHECK
- B(h);OGATE,P_SPINB(h),XS(F)::QAB1(I),XB(h)
- Refutation
- Q(a);XR(C)
- Try
- R(J);N_SPINS(F)
- Threat
- DUALS(8)
- Vars
- Q(a);CHECK,OGATE,XR(C)::P(B),XQ(a)
- Refutation
- B(h);P_PINS(F),XR(J)
- Try
- P(G);N_SPINS(F)
- Threat
- DUALS(7)
- Vars
- Q(a);CHECK,OGATE,XR(C)::P(B),XQ(a)
- B(h);XR(J)::QAB(I)+S(F),DCHECK
- B(h);N_SPINR(f)::QAB(I)+S(F),DCHECK
- Refutation
- B(h);P_PINS(F),P_SPINB(h),XP(G)
- Try
- Actual
- Q(I);
- Threat
- QAR(I)
- Vars
- Q(a);CHECK,OGATE,XR(C)::P(B),XQ(a)
- B(h);CHECK,OGATE,XS(F)::QAB1(I),XB(h)
- Q(a);N_PINR(C),P_PINP(B)::R1(C)
- B(h);N_PINS(F),N_SPINR(f)::S(F)
- S(b);N_PINR(C)::R1(C)
- S(i);N_PINS(F)::S(F)
- P(g);::QAR(I),XP(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).