MESON Chess Problem Database
Problem Display
PID: 169823 (Bb2r2B/4Q2b/qP6/Rn2p3/1P1kn3/2pN3R/1N5K/8 w - - 0 1)
Knuppert, Hugo
Skakbladet, 1945
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ba7
- 2.Bxe5#
- 1...Sd2
- 2.Qc5#
- 1...Sf2
- 2.Qc5#
- 1...Sg3
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sg5
- 2.Qc5#
- 1...Sed6
- 2.Bxe5#
- 1...Sf6
- 2.Qc5#
- 1...Sa3
- 2.Rd5#
- 1...Sbd6
- 2.Bxe5#
- 2.Rd5#
- 1...Sa7
- 2.Rd5#
- 1...Sc7
- 2.Bxe5#
- 1...Ba7
- Tries
- 1.Sc1?
- threat
- 2.Se2#
- 2.Sb3#
- 2.Rd3#
- 1...Qxa8
- 2.Rd3#
- 1...Qb7
- 2.Rd3#
- 1...Sg3
- 2.Qc5#
- 1...Bg8
- 2.Se2#
- 2.Rd3#
- 1...Sd2
- 2.Se2#
- 2.Qc5#
- 1...Sf2
- 2.Se2#
- 2.Sb3#
- 2.Qc5#
- 1...Sc5
- 2.Se2#
- 2.Qxc5#
- 1...Sg5
- 2.Se2#
- 2.Sb3#
- 2.Qc5#
- 1...Sed6
- 2.Se2#
- 2.Sb3#
- 2.Bxe5#
- 1...Sf6
- 2.Se2#
- 2.Sb3#
- 2.Qc5#
- 1...Sa3
- 2.Sb3#
- 2.Rd5#
- 1...Sbd6
- 2.Sb3#
- 2.Bxe5#
- 2.Rd5#
- 1...Sa7
- 2.Sb3#
- 2.Rd5#
- 1...Sc7
- 2.Sb3#
- 2.Bxe5#
- 1...cxb2!
- threat
- 1.Se1?
- threat
- 2.Sc2#
- 2.Rd3#
- 1...Qxa8
- 2.Rd3#
- 1...Qb7
- 2.Rd3#
- 1...Sg3
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sf2
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sg5
- 2.Qc5#
- 1...Sed6
- 2.Bxe5#
- 1...Sf6
- 2.Qc5#
- 1...Sa3
- 2.Rd5#
- 1...Sbd6
- 2.Sc2#
- 2.Bxe5#
- 2.Rd5#
- 1...Sa7
- 2.Sc2#
- 2.Rd5#
- 1...Sc7
- 2.Sc2#
- 2.Bxe5#
- 1...c2
- 2.Sxc2#
- 2.Rd3#
- 1...cxb2!
- threat
- 1.Sf2?
- threat
- 2.Rd3#
- 1...Sxf2
- 2.Qc5#
- 1...Sg3
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sg5
- 2.Qc5#
- 1...Sed6
- 2.Bxe5#
- 1...Sf6
- 2.Qc5#
- 1...Sa3
- 2.Rd5#
- 1...Sbd6
- 2.Bxe5#
- 2.Rd5#
- 1...Sa7
- 2.Rd5#
- 1...Sc7
- 2.Bxe5#
- 1...cxb2!
- threat
- 1.Sf4?
- threat
- 2.Se2#
- 2.Se6#
- 2.Rd3#
- 1...Qxb6
- 2.Se2#
- 2.Rd3#
- 1...Qxa8
- 2.Rd3#
- 1...Rxe7
- 2.Se2#
- 2.Rd3#
- 1...Sg3
- 2.Qc5#
- 1...Qb7
- 2.Rd3#
- 1...Qc8
- 2.Se2#
- 2.Rd3#
- 1...Bf5
- 2.Se2#
- 2.Rd3#
- 1...Bg8
- 2.Se2#
- 2.Rd3#
- 1...Sd2
- 2.Se2#
- 2.Se6#
- 2.Qc5#
- 1...Sf2
- 2.Se2#
- 2.Se6#
- 2.Qc5#
- 1...Sc5
- 2.Se2#
- 2.Qxc5#
- 1...Sg5
- 2.Se2#
- 2.Qc5#
- 1...Sed6
- 2.Se2#
- 2.Se6#
- 2.Bxe5#
- 1...Sf6
- 2.Se2#
- 2.Se6#
- 2.Qc5#
- 1...Sa3
- 2.Se6#
- 2.Rd5#
- 1...Sbd6
- 2.Se6#
- 2.Bxe5#
- 2.Rd5#
- 1...Sa7
- 2.Se6#
- 2.Rd5#
- 1...Sc7
- 2.Bxe5#
- 1...cxb2!
- threat
- 1.Sc1?
- Keys
- 1.Sxe5!
- threat
- 2.Rd3#
- 1...Bxe5+
- 2.Bxe5#
- 1...Sg3
- 2.Sf3#
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Sf2
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sg5
- 2.Qc5#
- 1...Sed6
- 2.Sf3#
- 1...Sf6
- 2.Qc5#
- 1...Sa3
- 2.Rd5#
- 1...Sbd6
- 2.Sc6#
- 2.Rd5#
- 1...Sa7
- 2.Rd5#
- 1...Sc7
- 2.Sc6#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- B(h);N_GUARD::B(J),XP(e)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);S_CUTB(h)::B(J),XP(e)
- S(c);N_GUARD,N_SPINP(e)::QAB1(H)
- S(d);OGATE::R1(F)
- S(d);S_CUTB(h)::B(J),XP(e)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(f);XB(I)::R1(D)
- Q(f);::R1(D)
- S(c);N_GUARD::QAB1(H)
- Refutation
- P(a);XS(A)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(f);XB(I)::R1(D)
- Q(f);::R1(D)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);S_CUTB(h)::B(J),XP(e)
- S(c);N_GUARD,N_SPINP(e)::QAB1(H)
- S(d);OGATE::R1(F)
- Refutation
- P(a);XS(A)
- Try
- S(C);
- Threat
- R1(D)
- Vars
- S(c);N_GUARD,XS(C)::QAB1(H)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);S_CUTB(h)::B(J),XP(e)
- S(c);N_GUARD,N_SPINP(e)::QAB1(H)
- S(d);OGATE::R1(F)
- S(d);S_CUTB(h)::B(J),XP(e)
- Refutation
- P(a);XS(A)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(f);XB(I)::R1(D)
- S(c);N_GUARD::QAB1(H)
- Q(f);::R1(D)
- S(d);S_CUTB(h)::B(J),XP(e)
- Refutation
- P(a);XS(A)
- Try
- Actual
- S(C);P_SPINS(C),XP(e)
- Threat
- R1(D)
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XS(C)::B(J),XB(h)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);N_PINS(C)::B(J)+S(C),DCHECK
- S(d);OGATE::R1(F)
- S(d);N_PINS(C)::B(J)+S(C),DCHECK
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).