MESON Chess Problem Database
Problem Display
PID: 6062 (KQ6/8/4B3/1N6/Rn1bkN2/1R3n2/3P4/4r3 w - - 0 1)
Hannemann, Knud Harald
Skakbladet, 1926
#2
8 + 5
| 14868 | Pirnie Collection | 2013 |
| 5454 | Near Snap | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Be3
- 2.d3#
- 1...Sc2
- 2.Sc3#
- 1...Sd3
- 2.Sc3#
- 1...Sa6
- 2.Sc3#
- 1...Sc6
- 2.Sc3#
- 1...Be3
- Tries
- 1.Sg2?
- threat
- 2.Qf4#
- 1...Be3
- 2.d3#
- 1...Be5
- 2.Qb7#
- 2.d3#
- 1...Se5
- 2.Sd6#
- 1...Sd3
- 2.Sc3#
- 1...Sd5
- 2.d3#
- 1...Bc3!
- threat
- 1.Sd3?
- threat
- 2.Sd6#
- 2.Qf4#
- 1...Sxd2
- 2.Qf4#
- 1...Sxd3
- 2.Sc3#
- 1...Bc3
- 2.Sf2#
- 2.Sc5#
- 1...Sg1
- 2.Qf4#
- 1...Sh2
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Ba1
- 2.Sf2#
- 2.Sc5#
- 2.Qf4#
- 2.Qb7#
- 1...Bg1
- 2.Qf4#
- 2.Qb7#
- 1...Bb2
- 2.Sf2#
- 2.Sc5#
- 2.Qf4#
- 2.Qb7#
- 1...Bf2
- 2.Sxf2#
- 2.Qf4#
- 2.Qb7#
- 1...Be3
- 2.Qb7#
- 1...Bc5
- 2.Sxc5#
- 2.Qf4#
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bb6
- 2.Qf4#
- 2.Qb7#
- 1...Bf6
- 2.Sf2#
- 2.Sc5#
- 2.Qf4#
- 2.Qb7#
- 1...Ba7
- 2.Qf4#
- 2.Qb7#
- 1...Bg7
- 2.Sf2#
- 2.Sc5#
- 2.Qf4#
- 2.Qb7#
- 1...Bh8
- 2.Sf2#
- 2.Sc5#
- 2.Qf4#
- 2.Qb7#
- 1...Sd5
- 2.Sf2#
- 2.Sc5#
- 2.Sd6#
- 1...Se5!
- threat
- 1.Sh5?
- threat
- 2.Sg3#
- 2.Qf4#
- 1...Rg1
- 2.Qf4#
- 1...Bf2
- 2.Sf6#
- 2.Qf4#
- 1...Be3
- 2.Sg3#
- 2.Sf6#
- 2.d3#
- 1...Be5
- 2.Qb7#
- 1...Se5
- 2.Sd6#
- 1...Sd3
- 2.Sc3#
- 2.Sg3#
- 2.Sf6#
- 1...Sd5
- 2.Sg3#
- 1...Bc3!
- threat
- 1.Sg6?
- threat
- 2.Sd6#
- 2.Qf4#
- 1...Ba1
- 2.Qf4#
- 2.Qb7#
- 1...Bg1
- 2.Qf4#
- 2.Qb7#
- 1...Bb2
- 2.Qf4#
- 2.Qb7#
- 1...Bf2
- 2.Qf4#
- 2.Qb7#
- 1...Be3
- 2.Qb7#
- 2.d3#
- 1...Bc5
- 2.Qf4#
- 2.Qb7#
- 1...Be5
- 2.Qb7#
- 1...Bb6
- 2.Qf4#
- 2.Qb7#
- 1...Bf6
- 2.Qf4#
- 2.Qb7#
- 1...Ba7
- 2.Qf4#
- 2.Qb7#
- 1...Bg7
- 2.Qf4#
- 2.Qb7#
- 1...Bh8
- 2.Qf4#
- 2.Qb7#
- 1...Se5
- 2.Sd6#
- 1...Sd3
- 2.Sc3#
- 2.Sd6#
- 2.Qb7#
- 1...Sd5
- 2.Sd6#
- 1...Bc3!
- threat
- 1.Re3+?
- 1...Bxe3
- 2.d3#
- 1...Rxe3!
- 1...Bxe3
- 1.Raxb4?
- threat
- 2.Sc3#
- 1...Sxd2
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Rc1
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Sg1
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Sh4
- 2.Rxd4#
- 1...Sg5
- 2.Rxd4#
- 1...Ra1+!
- threat
- 1.Sg2?
- Keys
- 1.Sh3!
- threat
- 2.Qf4#
- 1...Bc3
- 2.Sf2#
- 1...Be3
- 2.d3#
- 1...Be5
- 2.Qb7#
- 1...Se5
- 2.Sd6#
- 1...Sd3
- 2.Sc3#
- 1...Sd5
- 2.Sf2#
- threat
- 1.Sh3!
This anticipates 147569(1926), 147437(1934)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(d);P_SPINS(c),SBLOCK::P(A)
- S(c);P_SPINB(d)::S(E)
- Tries
- Try
- S(D);
- Threat
- QAR1(H)
- Vars
- B(d);P_SPINS(c)::P(A)
- S(b);SBLOCK::S(E)
- S(c);P_SPINB(d),SBLOCK::S(E)
- S(c);N_GUARD,P_SPINB(d)::P(A)
- Refutation
- B(d);P_SPINS(c)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);XP(A)::QAR1(H)
- S(c);P_SPINB(d),SBLOCK,XS(D)::S(E)
- S(b);::QAR1(H)
- B(d);P_SPINS(c)::QAB(H)
- Refutation
- S(b);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);::QAR1(H)
- B(d);P_SPINS(c),SBLOCK::QAB(H)
- S(b);SBLOCK::S(E)
- S(c);P_SPINB(d)::S(D)
- Refutation
- B(d);P_SPINS(c)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(d);P_SPINS(c)::QAB(H)
- S(b);::S(E)
- S(c);P_SPINB(d)::S(E)
- Refutation
- B(d);P_SPINS(c)
- Try
- R(B);CHECK
- Vars
- B(d);P_SPINS(c),SBLOCK,XR(B)::P(A)
- Refutation
- R(a);XR(B)
- Try
- R(C);P_PINB(d),XS(c)
- Threat
- S(E)
- Vars
- S(b);N_GUARD,XP(A)::R1(C),XB(d)
- S(b);N_GUARD::R1(C),XB(d)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- Refutation
- R(a);CHECK
- Try
- Actual
- S(D);
- Threat
- QAR1(H)
- Vars
- B(d);N_GUARD,P_SPINS(c)::S(D)
- B(d);P_SPINS(c),SBLOCK::P(A)
- B(d);P_SPINS(c),SBLOCK::QAB(H)
- S(b);SBLOCK::S(E)
- S(c);P_SPINB(d),SBLOCK::S(E)
- S(c);P_SPINB(d)::S(D)
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).