MESON Chess Problem Database
Problem Display
PID: 81717 (8/2K5/5N2/2kp1b2/Pp1p3R/1P6/2PP4/2Q5 w - - 0 1)
Reddmann, Hauke
Velimirovic, Milan
Mat Plus, 2007
#2
8 + 5
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.Sd7#
- 2.Qxc2#
- 1...Bd3
- 2.Sd7#
- 2.cxd3#
- 1...Be4
- 2.Sd7#
- 1...Bg6
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Bh7
- 2.Sd7#
- 1...d3
- 2.cxd3#
- 1...Bxc2
- Tries
- 1.Rh5?
- 1...Bxc2
- 2.Se4#
- 2.Sd7#
- 2.Rxd5#
- 2.Qxc2#
- 1...Bh3
- 2.Se4#
- 2.Rxd5#
- 1...Bd3
- 2.Sd7#
- 2.Rxd5#
- 2.cxd3#
- 1...Be4
- 2.Sxe4#
- 2.Sd7#
- 1...Bg4
- 2.Se4#
- 2.Rxd5#
- 1...Be6
- 2.Se4#
- 1...Bg6
- 2.Sd7#
- 2.Rxd5#
- 1...Bd7
- 2.Se4#
- 2.Sxd7#
- 2.Rxd5#
- 1...Bh7
- 2.Sd7#
- 2.Rxd5#
- 1...Bc8
- 2.Se4#
- 2.Rxd5#
- 1...d3!
- 1...Bxc2
- 1.Qb2?
- threat
- 2.Qxd4#
- 1...Be4
- 2.Sd7#
- 1...d3
- 2.Qd4#
- 1...Bg4!
- threat
- 1.Qa1?
- threat
- 2.Qxd4#
- 1...Be4
- 2.Sd7#
- 1...d3
- 2.Qd4#
- 1...Bg4!
- threat
- 1.Qe1?
- threat
- 2.Qe7#
- 1...Be4
- 2.Sd7#
- 1...Be6!
- threat
- 1.Qf1?
- threat
- 2.Qb5#
- 1...Bd3
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...d3!
- threat
- 1.Qg1?
- threat
- 2.Qxd4#
- 1...Be4
- 2.Sd7#
- 1...Bg4!
- threat
- 1.Qh1?
- threat
- 2.Qxd5#
- 1...Be4
- 2.Sd7#
- 1...Be6!
- threat
- 1.c3?
- threat
- 2.cxd4#
- 1...bxc3
- 2.Qa3#
- 1...dxc3
- 2.d4#
- 1...Be4
- 2.Sd7#
- 1...d3
- 2.cxb4#
- 1...Bg4!
- threat
- 1.Rh5?
- Keys
- 1.c4!
- 1...dxc4
- 2.Qxc4#
- 1...bxc4 ep
- 2.Qa3#
- 1...dxc4 ep
- 2.d4#
- 1...Bh3
- 2.cxd5#
- 1...Bb1
- 2.Sd7#
- 1...Bc2
- 2.Sd7#
- 1...Bd3
- 2.Sd7#
- 1...Be4
- 2.Sd7#
- 1...Bg4
- 2.cxd5#
- 1...Be6
- 2.cxd5#
- 1...Bg6
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 2.cxd5#
- 1...Bh7
- 2.Sd7#
- 1...Bc8
- 2.cxd5#
- 1...d3
- 2.cxd5#
- 1...dxc4
- 1.c4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- P(b);OGATE::QAR(A)+P(B),XP(b)
- Tries
- Try
- R(F);
- Vars
- B(e);N_GUARD,P_SPINP(d)::S(G)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAB1(A),XP(b)
- Vars
- B(e);N_GUARD::S(G)
- P(b);::QAB1(A)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- QAB1(A),XP(b)
- Vars
- B(e);N_GUARD::S(G)
- P(b);::QAB1(A)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- B(e);N_GUARD::S(G)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- Refutation
- P(b);
- Try
- Q(A);P_PINP(b)
- Threat
- QAB1(A),XP(b)
- Vars
- B(e);N_GUARD::S(G)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- QAR1(A),XP(d)
- Vars
- B(e);N_GUARD::S(G)
- Refutation
- B(e);
- Try
- P(B);
- Threat
- QAR(A)+P(B)DCHECK,XP(b)
- Vars
- P(a);OGATEB,P_SPINP(a),XP(B)::QAB(A)
- P(b);OGATE,P_SPINP(b),XP(B)::P(C)
- B(e);N_GUARD::S(G)
- P(b);::QAR(A)+P(B)DCHECK,XP(a)
- Refutation
- B(e);
- Try
- Actual
- P(B);
- Vars
- P(d);OGATE,P_SPINP(d),XP(B)::QAR1(A),XP(d)
- P(a);EP,OGATEB,P_SPINP(a),XP(B)::QAB(A)
- P(b);EP,OGATE,P_SPINP(b),XP(B)::P(C)
- B(e);N_GUARD::QAR(A)+P(B),XP(d)
- B(e);N_GUARD::S(G)
- P(b);S_CUTB(e)::QAR(A)+P(B),XP(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).