MESON Chess Problem Database
Problem Display
PID: 241186 (8/2Q5/4B1Np/K2R2br/n2Bkpn1/1b2p3/4PP2/1N3r2 w - - 0 1)
Heyl, Peter
Sachsische Zeitung, 2007
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.f3#
- 1...Rc1
- 2.f3#
- 1...Rd1
- 2.f3#
- 1...Re1
- 2.f3#
- 1...Rg1
- 2.f3#
- 1...Rfh1
- 2.f3#
- 1...Ba2
- 2.Qc2#
- 1...Bc2
- 2.Qxc2#
- 1...Bh4
- 2.Qxf4#
- 1...Bf6
- 2.Qxf4#
- 1...Be7
- 2.Qxf4#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sb6
- 2.Sc3#
- 1...Sxf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qe5#
- 1...exf2
- 2.Sd2#
- 1...Rxb1
- Tries
- 1.Bc5?
- threat
- 2.Rd4#
- 1...Sxc5
- 2.Sc3#
- 1...exf2
- 2.Sd2#
- 1...Rd1
- 2.f3#
- 1...Bf6
- 2.Qxf4#
- 1...Bxd5!
- threat
- 1.Be5?
- threat
- 2.Rd4#
- 1...Bxd5
- 2.Qc2#
- 1...Sxe5
- 2.Qxe5#
- 1...Rd1
- 2.f3#
- 1...exf2!
- threat
- 1.Bf6?
- threat
- 2.Rd4#
- 1...Bxd5
- 2.Qc2#
- 1...Bxf6
- 2.Qxf4#
- 1...Sxf6
- 2.Qe5#
- 1...Bh4
- 2.Qxf4#
- 1...Rd1
- 2.f3#
- 1...Se5
- 2.Qxe5#
- 1...exf2!
- threat
- 1.Ba7?
- threat
- 2.Rd4#
- 1...Bxd5
- 2.Qc2#
- 1...exf2
- 2.Sd2#
- 1...Bh4
- 2.Qxf4#
- 1...Rd1
- 2.f3#
- 1...Bf6
- 2.Qxf4#
- 1...Be7
- 2.Qxf4#
- 1...Sc5
- 2.Sc3#
- 1...Sb6
- 2.Sc3#
- 1...Bd8!
- threat
- 1.Bxg4?
- threat
- 2.Bf3#
- 2.Qe5#
- 1...Rxf2
- 2.Qe5#
- 1...Bxd5
- 2.Qe5#
- 1...Bd8
- 2.Bf3#
- 1...Rh3
- 2.Qe5#
- 1...Bh4
- 2.Bf3#
- 1...Bf6
- 2.Bf3#
- 1...Be7
- 2.Bf3#
- 1...f3
- 2.Bxf3#
- 2.Qe5#
- 1...Kxd5!
- threat
- 1.Re5+?
- 1...Sxe5
- 2.Qxe5#
- 1...Kxd4!
- 1...Sxe5
- 1.Qd6?
- threat
- 2.Bf5#
- 1...Bxd5
- 2.Qxd5#
- 1...Bh4
- 2.Qxf4#
- 1...Bf6
- 2.Qxf4#
- 1...Be7
- 2.Qxf4#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Bd8+!
- threat
- 1.Bc5?
- Keys
- 1.Bb6!
- threat
- 2.Rd4#
- 1...Bxd5
- 2.Qc2#
- 1...Sxb6
- 2.Sc3#
- 1...exf2
- 2.Sd2#
- 1...Bh4
- 2.Qxf4#
- 1...Rd1
- 2.f3#
- 1...Bf6
- 2.Qxf4#
- 1...Be7
- 2.Qxf4#
- 1...Bd8
- 2.Qxf4#
- 1...Sc5
- 2.Sc3#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- R(a);N_GUARD,XS(A)::P(C)
- R(a);N_GUARD::P(C)
- B(b);N_GUARD::QAB(I)
- B(b);N_GUARD::QAB(I),XB(b)
- B(h);N_GUARD,P_PINR(F)::QAR1(I),XP(f)
- S(d);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(g);N_GUARD,XP(C)::QAR1(I)
- S(g);N_GUARD::QAR1(I)
- S(g);N_GUARD::QAR1(I),XS(g)
- P(c);N_GUARD,XP(C)::S(A)
- Tries
- Try
- B(D);
- Threat
- R1(F)
- Vars
- S(d);N_GUARD,XB(D)::S(A)
- P(c);N_GUARD,XP(C)::S(A)
- R(a);N_GUARD::P(C)
- B(h);N_GUARD::QAR1(I),XP(f)
- Refutation
- B(b);XR(F)
- Try
- B(D);
- Threat
- R1(F)
- Vars
- B(b);N_GUARD,XR(F)::QAB(I)
- S(g);OGATE,XB(D)::QAR1(I),XS(g)
- R(a);N_GUARD::P(C)
- Refutation
- P(c);XP(C)
- Try
- B(D);
- Threat
- R1(F)
- Vars
- B(b);N_GUARD,XR(F)::QAB(I)
- B(h);N_GUARD,P_PINR(F),XB(D)::QAR1(I),XP(f)
- S(g);N_GUARD,XB(D)::QAR1(I)
- B(h);N_GUARD,P_PINR(F)::QAR1(I),XP(f)
- R(a);N_GUARD::P(C)
- S(g);N_GUARD::QAR1(I),XS(g)
- Refutation
- P(c);XP(C)
- Try
- B(D);
- Threat
- R1(F)
- Vars
- B(b);N_GUARD,XR(F)::QAB(I)
- P(c);N_GUARD,XP(C)::S(A)
- B(h);N_GUARD,P_PINR(F)::QAR1(I),XP(f)
- R(a);N_GUARD::P(C)
- S(d);N_GUARD::S(A)
- Refutation
- B(h);P_PINQ(I),P_PINR(F)
- Try
- B(G);XS(g)
- Threat
- DUALS(2)
- Vars
- R(a);XP(C)::QAR1(I)
- B(b);XR(F)::QAR1(I)
- B(h);P_PINQ(I),P_PINR(F)::B(G)
- R(i);::QAR1(I)
- B(h);P_PINR(F)::B(G)
- Refutation
- K(e);S_FLIGHT,XR(F)
- Try
- R(F);CHECK
- Vars
- S(g);OGATE,XR(F)::QAR1(I),XS(g)
- Refutation
- K(e);P-FLIGHT,XB(D)
- Try
- Q(I);
- Threat
- B(G)
- Vars
- B(b);OGATE,XR(F)::QAB1(I),XB(b)
- B(h);N_GUARD,P_PINR(F)::QAR1(I),XP(f)
- Refutation
- B(h);CHECK,P_PINR(F)
- Try
- Actual
- B(D);
- Threat
- R1(F)
- Vars
- B(b);N_GUARD,XR(F)::QAB(I)
- S(d);N_GUARD,XB(D)::S(A)
- P(c);N_GUARD,XP(C)::S(A)
- B(h);N_GUARD,P_PINR(F)::QAR1(I),XP(f)
- R(a);N_GUARD::P(C)
- S(d);N_GUARD::S(A)
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).