MESON Chess Problem Database
Problem Display
PID: 139641 (R7/r7/bn1p3P/2pP1P2/4Q2K/4Pp2/2RN4/k7 w - - 0 1)
Hoeg, Nils
Source?, 1925
#2
9 + 7
| 56 | The Problemist | 1937 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Qxa4#
- 1...Sxd5
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sxa8
- 2.Qa4#
- 1...Sc8
- 2.Qa4#
- 1...Sa4
- Tries
- 1.Qd3?
- threat
- 2.Qa3#
- 2.Qc3#
- 1...Sxd5
- 2.Qa3#
- 1...Bc4
- 2.Qc3#
- 1...Bb5
- 2.Qc3#
- 1...Bb7
- 2.Qf1#
- 2.Qc3#
- 1...Bc8
- 2.Qf1#
- 2.Qc3#
- 1...Sa4
- 2.Qa3#
- 1...Sc4
- 2.Qf1#
- 1...Bxd3!
- threat
- 1.Qb4?
- threat
- 2.Qa3#
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Sxd5
- 2.Qa3#
- 2.Qa5#
- 2.Qb1#
- 2.Qb2#
- 2.Qa4#
- 1...Bd3
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Bf1
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Be2
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Bc4
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Bb5
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Bb7
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Bc8
- 2.Qc3#
- 2.Qb1#
- 2.Qb2#
- 1...Sa4
- 2.Qa3#
- 2.Qb1#
- 2.Qxa4#
- 1...Sc4
- 2.Qb1#
- 1...cxb4!
- threat
- 1.Qd3?
- Keys
- 1.Qg4!
- 1...Rxa8
- 2.Qg7#
- 1...Sxd5
- 2.Qa4#
- 1...Sxa8
- 2.Qa4#
- 1...Bd3
- 2.Qg7#
- 1...Rb7
- 2.Qg1#
- 1...Rc7
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Re7
- 2.Qg1#
- 1...Rf7
- 2.Qg1#
- 1...Rg7
- 2.Qxg7#
- 1...Rh7
- 2.Qg1#
- 1...Bf1
- 2.Qg7#
- 1...Be2
- 2.Qg7#
- 1...Bc4
- 2.Qg7#
- 1...Bb5
- 2.Qg7#
- 1...Bb7
- 2.Qg1#
- 2.Qg7#
- 1...Bc8
- 2.Qg1#
- 2.Qg7#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Qg1#
- 1...Sd7
- 2.Qa4#
- 1...Sc8
- 2.Qa4#
- 1...f2
- 2.Qd1#
- 1...c4
- 2.Qg1#
- 1...Rxa8
- 1.Qg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::QAR(D),XS(e)
- S(e);N_GUARD,XP(F)::QAR(D)
- S(e);N_GUARD::QAR(D)
- S(e);N_GUARD,XR(I)::QAR(D)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(e);XP(F)::QAR2(D)
- B(d);P_SPINR(g)::QAB(D)
- S(e);::QAR2(D)
- S(e);S_CUTB(d)::QAR(D)
- Refutation
- B(d);P_SPINR(g),XQ(D)
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- S(e);::QAR1(D)
- Refutation
- P(c);XQ(D)
- Try
- Actual
- Q(D);
- Vars
- R(g);N_GUARD,XR(I)::QAB(D)
- S(e);N_GUARD,XP(F)::QAR(D)
- S(e);N_GUARD,XR(I)::QAR(D)
- B(d);P_SPINR(g)::QAB(D)
- R(g);P_SPINB(d)::QAR(D)
- R(g);N_GUARD,P_SPINB(d)::QAB(D),XR(g)
- R(g);P_PINP(H),P_SPINB(d)::QAR(D)
- S(e);N_GUARD::QAR(D),XS(e)
- S(e);S_CUTB(d)::QAR(D)
- S(e);N_GUARD::QAR(D)
- P(b);OGATE::QAR(D)
- P(c);S_CUTB(d)::QAR(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).