MESON Chess Problem Database
Problem Display
PID: 67987 (bN1R4/3p4/3pNBp1/1p1k4/4R3/bpn4n/5pQ1/1B3K2 w - - 0 1)
Bruch, Wieland
2nd Comm., Probleemblad, 2006
#2
8 + 11
| 102 | Probleemblad | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Sc7#
- 1...Sxe4
- 2.Qxe4#
- 1...Sg1
- 2.Qg5#
- 1...Sf4
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Bc5
- Tries
- 1.Sf4+?
- 1...Sxf4
- 2.Qg5#
- 1...Kc5!
- 1...Sxf4
- 1.Bd3?
- threat
- 2.Re5#
- 1...Sxe4
- 2.Qxe4#
- 1...dxe6!
- threat
- 1.Re1+?
- 1...Se4
- 2.Qxe4#
- 1...Kc4!
- 1...Se4
- 1.Re2+?
- 1...Se4
- 2.Qxe4#
- 1...Kc4!
- 1...Se4
- 1.Re3+?
- 1...Se4
- 2.Qxe4#
- 1...Kc4!
- 1...Se4
- 1.Ra4+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe6!
- 1...Se4
- 1.Rb4+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe6!
- 1...Se4
- 1.Rf4+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe6!
- 1...Se4
- 1.Rg4+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe6!
- 1...Se4
- 1.Rh4+?
- 1...Se4
- 2.Qxe4#
- 1...Kxe6!
- 1...Se4
- 1.Rc8?
- threat
- 2.Re5#
- 1...Sxe4
- 2.Qxe4#
- 1...dxe6
- 2.Rd4#
- 1...Bc5
- 2.Sc7#
- 1...Bc6!
- threat
- 1.Re8?
- threat
- 2.Rd4#
- 1...Sxe4
- 2.Qxe4#
- 1...dxe6!
- threat
- 1.Qxh3?
- threat
- 2.Rd4#
- 2.Qd3#
- 1...Sxe4
- 2.Qxb3#
- 1...Bc5
- 2.Sf4#
- 2.Sc7#
- 1...Se2
- 2.Qxb3#
- 1...dxe6!
- threat
- 1.Qg4?
- threat
- 2.Rd4#
- 1...Sxe4
- 2.Qxe4#
- 1...dxe6
- 2.Re5#
- 1...Bc5
- 2.Sc7#
- 1...Se2!
- threat
- 1.Qxg6?
- threat
- 2.Qf5#
- 1...Sxe4
- 2.Qxe4#
- 1...dxe6!
- threat
- 1.Sf4+?
- Keys
- 1.Qg3!
- threat
- 2.Qd3#
- 1...Sxe4
- 2.Qxb3#
- 1...dxe6
- 2.Qe5#
- 1...Bc5
- 2.Sc7#
- 1...Se2
- 2.Qxb3#
- 1...Sf4
- 2.Qg5#
- threat
- 1.Qg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(b);SBLOCK::S(E)
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- S(e);N_GUARD::QAR(C)
- S(e);N_GUARD::QAR(C),XS(e)
- Tries
- Try
- S(E);CHECK
- Vars
- S(e);XS(E)::QAR(C)
- Refutation
- K(g);P-FLIGHT
- Try
- B(A);
- Threat
- QAB(C)+R(D),DCHECK
- Vars
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- Refutation
- P(j);P_SPINP(h),XS(E)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT,XS(E)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT,XS(E)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT,XS(E)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT,XS(E)
- Try
- R(D);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
- Refutation
- K(g);S_FLIGHT,XS(E)
- Try
- R(H);
- Threat
- QAB(C)+R(D),DCHECK
- Vars
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- P(j);SBLOCK,XS(E)::QAB(C)+R(D),DCHECK
- B(b);SBLOCK::S(E)
- Refutation
- B(k);
- Try
- R(H);
- Threat
- QAB(C)+R(D),DCHECK
- Vars
- S(d);OGATE,P_SPINS(d),XR(D)::QAB1(C),XS(d)
- Refutation
- P(j);XS(E)
- Try
- Q(C);XS(e)
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,XR(D)::QAB(C),XP(c)
- S(d);OGATE::QAB(C),XP(c)
- Refutation
- P(j);P_SPINP(h),XS(E)
- Try
- Q(C);
- Threat
- R1(D)
- Vars
- S(d);OGATE,XR(D)::QAB1(C),XS(d)
- P(j);P_SPINP(h),XS(E)::R1(D)
- B(b);SBLOCK::S(E)
- Refutation
- S(d);
- Try
- Q(C);XP(i)
- Threat
- QAR2(C)
- Vars
- S(d);OGATE,XR(D)::QAB1(C),XS(d)
- Refutation
- P(j);P_SPINP(h),XS(E)
- Try
- Actual
- Q(C);
- Threat
- QAR2(C)
- Vars
- S(d);OGATE,XR(D)::QAB(C),XP(c)
- P(j);P_SPINP(h),XS(E)::QAR1(C)
- B(b);SBLOCK::S(E)
- S(d);OGATE::QAB(C),XP(c)
- S(e);N_GUARD::QAR(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).