MESON Chess Problem Database
Problem Display
PID: 116144 (BB6/5pbq/2p1p3/3kn1pR/1Q1Np1P1/2P2P2/8/K4b2 w - - 0 1)
Goldschmeding, Cornelis
El Ajedrez Espanol, 1957
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qb5#
- 1...Bh3
- 2.Qb5#
- 1...Bc4
- 2.Qd6#
- 1...Bb5
- 2.Qxb5#
- 1...Sd3
- 2.Bxc6#
- 1...Sxf3
- 2.Bxc6#
- 1...Sc4
- 2.Bxc6#
- 2.Qb5#
- 1...Sxg4
- 2.Bxc6#
- 1...Sg6
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...Bg2
- Tries
- 1.Sc2?
- threat
- 2.Se3#
- 2.Qd4#
- 1...Sxf3
- 2.Se3#
- 1...Bc4
- 2.Se3#
- 2.Qd6#
- 1...Sd3
- 2.Se3#
- 1...Sc4
- 2.Qb5#
- 1...Sg6
- 2.Se3#
- 2.fxe4#
- 1...Sd7
- 2.Se3#
- 1...e3
- 2.Sxe3#
- 2.Qd4#
- 1...Sxg4!
- threat
- 1.Se2?
- threat
- 2.Qd4#
- 2.Qb5#
- 1...Bxe2
- 2.Qd4#
- 1...Sxf3
- 2.Sf4#
- 2.Qb5#
- 1...Sxg4
- 2.Sf4#
- 2.Qb5#
- 1...exf3
- 2.Qd4#
- 1...Bf8
- 2.Qd4#
- 1...Sc4
- 2.Sf4#
- 2.Qb5#
- 1...Sg6
- 2.Qb5#
- 2.fxe4#
- 1...Sd7
- 2.Sf4#
- 1...Sd3!
- threat
- 1.Sf5?
- threat
- 2.Se3#
- 2.Se7#
- 2.Qd4#
- 2.fxe4#
- 1...Qxf5
- 2.Qd4#
- 1...Sxf3
- 2.Se3#
- 2.Se7#
- 1...Sxg4
- 2.Se7#
- 2.fxe4#
- 1...exf3
- 2.Se3#
- 2.Se7#
- 2.Qd4#
- 1...Sd3
- 2.Se3#
- 2.Se7#
- 2.fxe4#
- 1...Bg2
- 2.Se3#
- 2.Se7#
- 2.Qd4#
- 2.Qb5#
- 1...Bd3
- 2.Se3#
- 2.Se7#
- 2.Qd4#
- 1...Bc4
- 2.Se3#
- 2.Se7#
- 2.Qd6#
- 1...Bf6
- 2.Se3#
- 2.Qd4#
- 2.fxe4#
- 1...Bf8
- 2.Se3#
- 2.Qd4#
- 2.fxe4#
- 1...Sc4
- 2.Se7#
- 2.Qb5#
- 1...Sg6
- 2.Se3#
- 2.fxe4#
- 1...Sd7
- 2.Se3#
- 2.Se7#
- 2.fxe4#
- 1...e3
- 2.Sxe3#
- 2.Se7#
- 2.Qd4#
- 1...exf5!
- threat
- 1.Sxc6?
- threat
- 2.Sxe5#
- 2.Se7#
- 2.Qd4#
- 1...Sxf3
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 1...Sxg4
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 1...Sd3
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 1...Bc4
- 2.Sxe5#
- 2.Se7#
- 2.Qd6#
- 1...Bb5
- 2.Se7#
- 2.Qd4#
- 2.Qxb5#
- 1...Ba6
- 2.Se7#
- 2.Qd4#
- 1...Sc4
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 2.Qb5#
- 1...Sg6
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 2.fxe4#
- 1...Sd7
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 1...Sxc6!
- threat
- 1.Bd6?
- threat
- 2.Qc5#
- 1...Sd3
- 2.Bxc6#
- 1...Sd7
- 2.Bxc6#
- 1...exf3!
- threat
- 1.Qa5+?
- 1...Bb5
- 2.Qxb5#
- 1...Kc4!
- 1...Bb5
- 1.Sc2?
- Keys
- 1.Sxe6!
- threat
- 2.Sc7#
- 1...Kxe6
- 2.Qd6#
- 1...Sxf3
- 2.Sf4#
- 1...Sxg4
- 2.Sf4#
- 1...fxe6
- 2.Qd4#
- 1...Sd3
- 2.Qb3#
- 1...Sc4
- 2.Sf4#
- 1...Sg6
- 2.Qxe4#
- 1...Sd7
- 2.Sf4#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- B(a);N_GUARD::QAR2(D)
- B(a);SBLOCK::QAR1(D)
- B(a);N_GUARD::QAR2(D),XB(a)
- S(d);N_GUARD,N_SPINP(f),P_SPINP(e)::B(H),XP(f)
- S(d);N_GUARD,N_SPINP(f),P_SPINP(e),XP(C)::B(H),XP(f)
- S(d);N_GUARD,N_SPINP(f),P_SPINP(e),XP(F)::B(H),XP(f)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e),XP(C)::S(E)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e)::S(E)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e),S_CUTB(a)::QAR2(D)
- Refutation
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e),XP(F)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(a);XS(E)::QAR1(D)
- P(b);XP(C)::QAR1(D)
- B(i);::QAR1(D)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e)::S(E)
- Refutation
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e)
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- Q(j);XS(E)::QAR1(D)
- Refutation
- P(g);XS(E)
- Try
- S(E);XP(f)
- Threat
- DUALS(3)
- Refutation
- S(d);P_PINP(B),P_SPINP(e),P_SPINS(d),XS(E)
- Try
- B(I);
- Threat
- QAR1(D)
- Vars
- S(d);N_GUARD,N_SPINP(f),P_SPINP(e)::B(H),XP(f)
- Refutation
- P(b);XP(C)
- Try
- Q(D);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR2(D),XB(a)
- Refutation
- K(c);N_SPINP(f),S_FLIGHT
- Try
- Actual
- S(E);XP(g)
- Threat
- S(E)
- Vars
- K(c);N_SPINP(f),S_FLIGHT,XS(E)::QAR1(D)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e),XP(C)::S(E)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e),XP(F)::S(E)
- P(h);SBLOCK,XS(E)::QAR1(D)
- S(d);N_GUARD,N_SPINP(f),P_PINP(B),P_SPINP(e),S_CUTB(a)::QAB(D)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e)::S(E)
- S(d);N_SPINP(f),P_PINP(B),P_SPINP(e),S_CUTQ(j)::QAB1(D),XP(b)
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).