MESON Chess Problem Database
Problem Display
PID: 159353 (B5n1/b2rNNK1/6Q1/7P/3k3r/1PR3pb/4p3/2n1B1q1 w - - 0 1)
Hermanson, Halvar
Schweizerische Schachzeitung, 1958
#2
9 + 10
| 133 | The Problemist Supplement | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Rc4#
- 1...Re4
- 2.Qxe4#
- 1...Rg4
- 2.Sf5#
- 1...Rxh5
- 2.Qe4#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Qxd6#
- 1...Rc7
- 2.Qd6#
- 1...Rxe7
- 2.Qd6#
- 1...Bf1
- 2.Sf5#
- 1...Bg2
- 2.Sf5#
- 1...Bg4
- 2.Qe4#
- 1...Bf5
- 2.Sxf5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...Sa2
- 2.Qd3#
- 1...Sxb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf6
- 2.Qxf6#
- 1...Sh6
- 2.Qf6#
- 1...Sxe7
- 2.Qf6#
- 1...Qe3
- Tries
- 1.Bd2?
- threat
- 2.Rc4#
- 1...Sxb3
- 2.Qd3#
- 1...Re4
- 2.Qxe4#
- 1...Rc7
- 2.Qd6#
- 1...Bf5
- 2.Sxf5#
- 1...Be6!
- threat
- 1.Bf3?
- threat
- 2.Sc6#
- 1...Rxe7
- 2.Qd6#
- 1...Sxe7
- 2.Qf6#
- 1...Sd3
- 2.Qxd3#
- 1...Re4
- 2.Qxe4#
- 1...Rd6
- 2.Qxd6#
- 1...Rc7
- 2.Qd6#
- 1...Qxe1!
- threat
- 1.Rd3+?
- 1...Kc5
- 2.Qc6#
- 1...Sxd3!
- 1...Kc5
- 1.Qf5?
- threat
- 2.Sc6#
- 2.Qe5#
- 1...Qxe1
- 2.Qe5#
- 1...Rxh5
- 2.Sc6#
- 2.Qe4#
- 2.Qf4#
- 1...Rxe7
- 2.Qd5#
- 1...Bxf5
- 2.Sxf5#
- 1...Sxe7
- 2.Qe5#
- 2.Qf6#
- 1...Sd3
- 2.Rxd3#
- 2.Qxd3#
- 1...Qe3
- 2.Sc6#
- 2.Rc4#
- 1...Qh1
- 2.Qe5#
- 1...Qg2
- 2.Qe5#
- 1...Re4
- 2.Sc6#
- 2.Qxe4#
- 1...Rd5
- 2.Sc6#
- 2.Qxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rc7
- 2.Qd5#
- 2.Qe5#
- 1...Bg2
- 2.Qe5#
- 1...Bb8
- 2.Sc6#
- 2.Qc5#
- 1...Rg4+!
- threat
- 1.Bd2?
- Keys
- 1.Qg5!
- threat
- 2.Qe5#
- 1...Rxh5
- 2.Qf4#
- 1...Rxe7
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Qe3
- 2.Qxe3#
- 1...Re4
- 2.Sc6#
- 1...Rg4
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...Bb8
- 2.Qc5#
- 1...Sd3
- 2.Rc4#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(b);SBLOCK::R1(C)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);P_PINQ(E),S_CUTB(e)::S(F)
- R(g);N_GUARD,XP(D)::QAR1(E)
- R(i);SBLOCK::S(F)
- R(i);N_GUARD::QAR2(E),XR(i)
- R(i);N_GUARD::QAR2(E)
- R(i);N_GUARD,P_PINS(G),XS(F)::QAR2(E)
- B(e);N_GUARD::S(F)
- B(e);S_CUTR(g)::QAR1(E)
- B(e);N_GUARD::S(F),XB(e)
- B(h);N_GUARD::QAB(E),XB(h)
- B(h);N_GUARD::QAB(E)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD,XP(B)::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(j);N_GUARD::QAB(E),XS(j)
- S(j);N_GUARD::QAB(E)
- S(j);N_GUARD,XS(F)::QAB(E)
- Tries
- Try
- B(A);
- Threat
- R1(C)
- Vars
- S(a);N_GUARD,XP(B)::QAR1(E)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(i);N_GUARD::QAR2(E)
- B(e);N_GUARD::S(F),XB(e)
- Refutation
- B(e);
- Try
- B(I);
- Threat
- S(F)
- Vars
- R(i);N_GUARD,P_PINS(G),XS(F)::QAR2(E)
- S(j);N_GUARD,XS(F)::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(i);N_GUARD::QAR2(E),XR(i)
- R(i);N_GUARD::QAR2(E)
- Refutation
- Q(b);XB(A)
- Try
- R(C);CHECK
- Vars
- K(f);S_FLIGHT::QAR1(E)
- Refutation
- S(a);XR(C)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(b);XB(A)::QAB1(E)
- R(i);N_GUARD,P_PINS(G),XS(F)::QAR1(E)
- B(e);XQ(E)::S(F),XB(e)
- Q(b);::QAB1(E)
- R(i);::QAB1(E)
- B(e);::QAB1(E)
- Refutation
- R(g);CHECK
- Try
- Actual
- Q(E);
- Threat
- QAB1(E)
- Vars
- R(g);N_GUARD,XP(D)::QAR2(E)
- R(i);N_GUARD,P_PINS(G),XS(F)::QAR1(E)
- R(i);N_GUARD::QAR1(E),XR(i)
- Q(b);N_GUARD::QAB1(E),XQ(b)
- R(g);SBLOCK::S(F)
- R(g);P_PINQ(E),S_CUTB(e)::S(F)
- B(e);N_GUARD::S(F),XB(e)
- B(h);N_GUARD::QAB1(E)
- S(a);SBLOCK::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).