MESON Chess Problem Database
Problem Display
PID: 261953 (KQ6/3N4/p1p2p2/1B1k1P2/Rn4bR/3P1p2/5rN1/6B1 w - - 0 1)
Hermanson, Halvar
Problemnoter, 1963
#2
10 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Ra2
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Rb2
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Rc2
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 1...Rd2
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Re2
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Rxg2
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Bh3
- 2.Se3#
- 2.Bc4#
- 1...Bxf5
- 2.Bc4#
- 1...Bh5
- 2.Se3#
- 2.Bc4#
- 1...Sa2
- 2.Se3#
- 2.Sf4#
- 1...Sc2
- 2.Sf4#
- 1...Sxd3
- 2.Se3#
- 1...Rf1
- Tries
- 1.Sxf6+?
- 1...Kc5
- 2.Bxf2#
- 1...Kd4!
- 1...Kc5
- 1.Bxf2?
- threat
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...Bxf5
- 2.Sf4#
- 2.Bc4#
- 1...Sxd3
- 2.Se3#
- 2.Sb6#
- 2.Sxf6#
- 2.Rd4#
- 1...fxg2
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 1...axb5
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 1...c5
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 1...cxb5!
- threat
- 1.Rxg4?
- threat
- 2.Se3#
- 2.Bc4#
- 1...Rxg2
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 2.Rd4#
- 1...fxg2
- 2.Bc4#
- 1...axb5
- 2.Se3#
- 1...Rc2
- 2.Se3#
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Rd4#
- 1...Re2
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 2.Rd4#
- 1...Sc2
- 2.Sf4#
- 2.Bc4#
- 1...c5
- 2.Se3#
- 2.Sb6#
- 2.Sxf6#
- 1...cxb5!
- threat
- 1.Qf4?
- threat
- 2.Se3#
- 2.Bc4#
- 1...Rxg2
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 2.Qd4#
- 1...Bxf5
- 2.Bc4#
- 1...fxg2
- 2.Bc4#
- 1...axb5
- 2.Se3#
- 1...Rc2
- 2.Se3#
- 2.Sb6#
- 2.Sxf6#
- 2.Qd4#
- 1...Re2
- 2.Sb6#
- 2.Sxf6#
- 2.Bc4#
- 2.Qd4#
- 1...Sc2
- 2.Bc4#
- 1...c5
- 2.Se3#
- 2.Sb6#
- 2.Sxf6#
- 1...cxb5!
- threat
- 1.Qg8+?
- 1...Kd4
- 2.Qc4#
- 1...Kd6!
- 1...Kd4
- 1.Sxf6+?
- Keys
- 1.Qf8!
- threat
- 2.Qc5#
- 1...Kd4
- 2.Qc5#
- 1...Bxf5
- 2.Bc4#
- 1...Sxd3
- 2.Se3#
- 1...Rc2
- 2.Sf4#
- 1...c5
- 2.Qxc5#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(d);XP(G)::B(F)
- S(c);::S(B)
- S(c);XP(C)::S(B)
- Tries
- Try
- S(H);CHECK,XP(h)
- Vars
- K(e);P-FLIGHT,P_SPINR(a)::B(A),XR(a)
- Refutation
- K(e);P-FLIGHT,P_SPINB(d),P_SPINR(a),P_SPINS(c)
- Try
- B(A);XR(a)
- Threat
- DUALS(4)
- Refutation
- P(g);XB(F)
- Try
- R(E);XB(d)
- Threat
- DUALS(2)
- Vars
- P(b);XS(B)::B(F)
- P(f);XB(F)::S(B)
- Refutation
- P(g);XB(F)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(d);XP(G)::B(F)
- P(b);XS(B)::B(F)
- P(f);XB(F)::S(B)
- S(c);::B(F)
- Refutation
- P(g);XB(F)
- Try
- Q(J);CHECK
- Vars
- K(e);OGATE,P-FLIGHT,P_SPINB(d),P_SPINR(a),P_SPINS(c)::QAR1(J)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- Q(J);
- Threat
- QAR1(J)
- Vars
- K(e);P-FLIGHT,P_SPINB(d),P_SPINR(a),P_SPINS(c)::QAB1(J)
- B(d);XP(G)::B(F)
- S(c);XP(C)::S(B)
- R(a);::S(B)
- P(g);::QAR1(J),XP(g)
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).