MESON Chess Problem Database
Problem Display
PID: 58108 (K3B3/4Q3/6R1/3kb3/Rn2p2r/1r6/2PN1nN1/5bB1 w - - 0 1)
Hermanson, Halvar
Chess Life, 1958
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qd6#
- 1...Bb2
- 2.Qd6#
- 1...Bc3
- 2.Qd6#
- 1...Bd4
- 2.Bf7#
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bg7
- 2.Qd6#
- 1...Bh8
- 2.Qd6#
- 1...Sd1
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sh1
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sfd3
- 2.Bf7#
- 2.Qe6#
- 2.Qf7#
- 2.c4#
- 1...Sh3
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sg4
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sa2
- 2.Bc6#
- 2.Bf7#
- 1...Sxc2
- 2.Bc6#
- 2.Bf7#
- 1...Sbd3
- 2.Se3#
- 2.Bc6#
- 2.Bf7#
- 1...Sa6
- 2.Bc6#
- 2.Bf7#
- 1...Sc6
- 2.Bxc6#
- 2.Bf7#
- 1...Ba1
- Tries
- 1.Sxb3?
- threat
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Kc4
- 2.Qc5#
- 1...Bxg2
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sxc2
- 2.Bc6#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qb7#
- 2.Qf7#
- 1...Rh3
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Rf4
- 2.Se3#
- 2.Qc5#
- 2.Qe6#
- 1...Rh7
- 2.Se3#
- 2.Qc5#
- 2.Qe6#
- 1...Rh8
- 2.Se3#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Ba1
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bb2
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bh2
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bc3
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bg3
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bd4
- 2.Bf7#
- 2.Qe6#
- 1...Bf4
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bd6
- 2.Se3#
- 2.Qe6#
- 1...Bf6
- 2.Se3#
- 1...Bc7
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bg7
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bb8
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Bh8
- 2.Se3#
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 1...Sd1
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sfd3
- 2.Se3#
- 2.Bf7#
- 2.Qe6#
- 2.Qf7#
- 1...Sg4
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sbd3
- 2.Se3#
- 2.Bc6#
- 2.Bf7#
- 2.Qe6#
- 2.Qb7#
- 2.Qf7#
- 2.c4#
- 1...Sa6
- 2.Se3#
- 2.Bc6#
- 2.Bf7#
- 2.Qe6#
- 2.Qb7#
- 2.Qf7#
- 1...e3!
- threat
- 1.Ra5+?
- 1...Kd4
- 2.Qc5#
- 2.Qxe5#
- 1...Bb5!
- 1...Kd4
- 1.Rc6?
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Sxc6
- 2.Bf7#
- 1...Bd4
- 2.Qd6#
- 2.Qe6#
- 1...Bd6
- 2.Qxd6#
- 1...Sfd3
- 2.Qe6#
- 2.Qf7#
- 2.c4#
- 1...Sbd3
- 2.Se3#
- 2.Qe6#
- 2.Qf7#
- 1...Sa6
- 2.Qe6#
- 2.Qf7#
- 1...Rc3!
- threat
- 1.Qd8+?
- 1...Bd6
- 2.Qxd6#
- 1...Kc5!
- 1...Bd6
- 1.Qe6+?
- 1...Kc5
- 2.Sxb3#
- 1...Kd4!
- 1...Kc5
- 1.Qd7+?
- 1...Bd6
- 2.Qxd6#
- 1...Kc5!
- 1...Bd6
- 1.Qf7+?
- 1...Kc5
- 2.Sxb3#
- 1...Kd4!
- 1...Kc5
- 1.c3?
- threat
- 2.Se3#
- 2.Bf7#
- 1...Bxg2
- 2.Bf7#
- 2.Ra5#
- 1...Bxc3
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Rh3
- 2.Bf7#
- 1...Rf4
- 2.Se3#
- 1...Rh7
- 2.Se3#
- 1...Rh8
- 2.Se3#
- 1...Bd4
- 2.Bf7#
- 2.Qd6#
- 1...Bf4
- 2.Bf7#
- 1...Bf6
- 2.Se3#
- 1...Sd1
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sg4
- 2.Bf7#
- 2.Qc5#
- 2.Qe6#
- 2.Qf7#
- 1...Sc2
- 2.Bc6#
- 2.Bf7#
- 1...e3
- 2.Sxe3#
- 2.Bf7#
- 1...Rxc3!
- threat
- 1.Sxb3?
- Keys
- 1.Rg5!
- threat
- 2.Qxe5#
- 1...Kd4
- 2.Qxe5#
- 1...Sfd3
- 2.Qd7#
- 2.c4#
- 1...Sg4
- 2.Sf4#
- 2.Qd7#
- 1...Sbd3
- 2.Se3#
- 1...Sc6
- 2.Bf7#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- B(h);N_GUARD::QAR1(G)
- B(h);N_GUARD::QAR1(G),XB(h)
- Tries
- Try
- S(C);XR(c)
- Threat
- DUALS(5)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(G)
- B(h);::S(D)
- Refutation
- P(e);
- Try
- R(E);CHECK
- Refutation
- B(a);P_SPINB(a)
- Try
- R(F);
- Threat
- QAR1(G)
- Vars
- K(g);P-FLIGHT,P_SPINS(b)::QAB1(G)
- S(d);SBLOCK,XR(F)::B(I)
- B(h);N_GUARD::QAR1(G),XB(h)
- Refutation
- R(c);
- Try
- Q(G);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAR1(G),XB(h)
- Refutation
- K(g);P-FLIGHT,P_SPINS(b)
- Try
- Q(G);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINS(b)::S(C),XR(c)
- Refutation
- K(g);P-FLIGHT,P_SPINS(b)
- Try
- Q(G);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAR1(G),XB(h)
- Refutation
- K(g);P-FLIGHT,P_SPINS(b)
- Try
- Q(G);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINS(b)::S(C),XR(c)
- Refutation
- K(g);P-FLIGHT,P_SPINS(b)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(h);N_GUARD,XP(B)::QAR1(G)
- B(h);N_GUARD::QAR1(G),XB(h)
- R(f);::B(I)
- R(f);::S(D)
- R(f);P_PINB(I)::S(D)
- B(h);::B(I)
- B(h);::S(D)
- Refutation
- R(c);XP(B)
- Try
- Actual
- R(F);P_PINB(h)
- Threat
- QAR1(G),XB(h)
- Vars
- K(g);N_SPINB(h),P-FLIGHT,P_SPINS(b)::QAB1(G),XB(h)
- S(d);S_CUTR(c)::S(D)
- S(d);SBLOCK::B(I)
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).