MESON Chess Problem Database
Problem Display
PID: 15902 (1K1Q2B1/1Np2R2/1N1pr2p/3pk3/4P3/4P3/1rpP1P2/B1q3b1 w - - 0 1)
Kutzborski, Dieter
1st Place, Match: Berlin - Munich, 1989
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Qxe7#
- 1...Re8
- 2.Qxe8#
- 1...Re7
- Tries
- 1.Bh7?
- threat
- 2.Sd7#
- 2.d4#
- 2.f4#
- 1...Qxd2
- 2.Sd7#
- 2.f4#
- 1...Bxf2
- 2.Sd7#
- 2.d4#
- 1...dxe4
- 2.Rf5#
- 1...cxb6
- 2.d4#
- 2.f4#
- 1...Rf6
- 2.Qxf6#
- 1...Re7
- 2.Qxe7#
- 1...Re8
- 2.Qxe8#
- 1...Qd1
- 2.Sd7#
- 2.f4#
- 1...Qf1
- 2.Sd7#
- 2.d4#
- 1...Bh2
- 2.Sd7#
- 2.d4#
- 1...d4
- 2.Sc4#
- 2.Sd7#
- 2.f4#
- 1...c5
- 2.Sd7#
- 2.f4#
- 1...Rg6!
- threat
- 1.Rf4?
- threat
- 2.Sd7#
- 2.d4#
- 1...Qxd2
- 2.Sd7#
- 1...cxb6
- 2.d4#
- 1...Qd1
- 2.Sd7#
- 1...Re7
- 2.Qxe7#
- 2.d4#
- 1...d4
- 2.Sc4#
- 2.Sd7#
- 1...c5
- 2.Sd7#
- 1...dxe4!
- threat
- 1.Qg5+?
- 1...Kxe4
- 2.Qxd5#
- 2.Qf5#
- 1...hxg5!
- 1...Kxe4
- 1.Qf6+?
- 1...Kxe4
- 2.Bh7#
- 2.Qd4#
- 2.Qf5#
- 1...Rxf6!
- 1...Kxe4
- 1.d3?
- threat
- 2.Sd7#
- 2.Rf5#
- 2.f4#
- 1...Bxf2
- 2.Sd7#
- 2.Rf5#
- 1...dxe4
- 2.d4#
- 1...cxb6
- 2.Rf5#
- 2.f4#
- 1...Rf6
- 2.Qxf6#
- 1...Rg6
- 2.Rf5#
- 1...Re7
- 2.Rf5#
- 2.Qxe7#
- 1...Re8
- 2.Rf5#
- 2.Qxe8#
- 1...Qf1
- 2.Sd7#
- 2.Rf5#
- 1...Bh2
- 2.Sd7#
- 2.Rf5#
- 1...Qxe3!
- threat
- 1.f3?
- threat
- 2.Sd7#
- 2.Rf5#
- 2.d4#
- 1...Qxd2
- 2.Sd7#
- 2.Rf5#
- 1...dxe4
- 2.f4#
- 1...cxb6
- 2.Rf5#
- 2.d4#
- 1...Rf6
- 2.Qxf6#
- 1...Rg6
- 2.Rf5#
- 1...Re7
- 2.Rf5#
- 2.Qxe7#
- 1...Re8
- 2.Rf5#
- 2.Qxe8#
- 1...Qd1
- 2.Sd7#
- 2.Rf5#
- 1...d4
- 2.Sc4#
- 2.Sd7#
- 2.Rf5#
- 1...c5
- 2.Sd7#
- 2.Rf5#
- 1...Bxe3!
- threat
- 1.Bh7?
- Keys
- 1.Sc5!
- threat
- 2.Rf5#
- 2.d4#
- 2.f4#
- 1...Qxd2
- 2.Rf5#
- 2.f4#
- 1...Bxf2
- 2.Rf5#
- 2.d4#
- 1...dxe4
- 2.Sd7#
- 1...dxc5
- 2.Qxd5#
- 1...Qd1
- 2.Rf5#
- 2.f4#
- 1...Qf1
- 2.Rf5#
- 2.d4#
- 1...Rf6
- 2.Qxf6#
- 2.d4#
- 1...Bh2
- 2.Rf5#
- 2.d4#
- 1...d4
- 2.Rf5#
- 2.f4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(h);OGATEB::QAR2(J),XR(h)
- R(h);OGATEB,P_PINQ(J)::QAR(J),XR(h)
- Tries
- Try
- B(K);
- Threat
- DUALS(3)
- Vars
- P(e);SBLOCK,XP(E)::R1(H)
- R(h);N_GUARD::QAB1(J),XR(h)
- R(h);OGATEB::QAR2(J),XR(h)
- R(h);OGATEB,P_PINQ(J)::QAR(J),XR(h)
- Refutation
- R(h);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::S(F)
- P(j);XS(F)::P(B)
- Q(a);::S(F)
- P(j);::S(F)
- Refutation
- P(e);XP(E)
- Try
- Q(J);CHECK
- Refutation
- P(i);XQ(J)
- Try
- Q(J);CHECK
- Refutation
- R(h);XQ(J)
- Try
- P(B);
- Threat
- DUALS(3)
- Vars
- P(e);SBLOCK,XP(E)::P(B)
- R(h);N_GUARD::QAB1(J),XR(h)
- R(h);::R1(H)
- Refutation
- Q(a);XP(D)
- Try
- P(C);
- Threat
- DUALS(3)
- Vars
- P(e);SBLOCK,XP(E)::P(C)
- R(h);N_GUARD::QAB1(J),XR(h)
- R(h);::R1(H)
- Refutation
- B(b);XP(D)
- Try
- Actual
- S(G);P_SPINS(F)
- Threat
- DUALS(3)
- Vars
- P(e);SBLOCK,XP(E)::S(G)
- P(g);OGATE,XS(G)::QAR1(J),XP(e)
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).