MESON Chess Problem Database
Problem Display
PID: 136762 (8/3b2Q1/5nr1/2pp2RP/3n1k1P/3pR1N1/p2P2P1/B4K2 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2010
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Qxg5#
- 1...Bh3
- 2.Qc7#
- 1...Ba4
- 2.Qc7#
- 1...Bg4
- 2.Qc7#
- 1...Bb5
- 2.Qc7#
- 1...Bf5
- 2.Qc7#
- 1...Bc6
- 2.Qc7#
- 1...Be6
- 2.Qc7#
- 1...Bc8
- 2.Qc7#
- 1...Be8
- 2.Qc7#
- 1...Sc2
- 2.Be5#
- 2.Rf3#
- 1...Se2
- 2.Be5#
- 2.Rf3#
- 1...Sb3
- 2.Be5#
- 2.Rf3#
- 1...Sf3
- 2.Rxf3#
- 1...Sb5
- 2.Be5#
- 2.Rf3#
- 1...Sf5
- 2.Be5#
- 2.Rf3#
- 1...Sc6
- 2.Rf3#
- 1...Se6
- 2.Be5#
- 2.Rf3#
- 1...Se4
- 2.Qe5#
- 1...Sxh5
- 2.Sxh5#
- 2.Qe5#
- 1...Sh7
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...Sg8
- 2.Qe5#
- 1...Rxg5
- Tries
- 1.Se2+?
- 1...Sxe2
- 2.Be5#
- 1...dxe2+!
- 1...Sxe2
- 1.Se4?
- threat
- 2.g3#
- 1...Rxg5
- 2.Qxg5#
- 1...Sxe4
- 2.Qe5#
- 1...Sxh5
- 2.Qe5#
- 1...Bf5
- 2.Qc7#
- 1...Bh3
- 2.Qc7#
- 1...Se2
- 2.Be5#
- 1...Sf5!
- threat
- 1.Sf5?
- threat
- 2.g3#
- 1...Rxg5
- 2.Qxg5#
- 1...Sxf5
- 2.Be5#
- 1...Sxh5
- 2.Qe5#
- 1...Se2
- 2.Be5#
- 1...Se4!
- threat
- 1.Re4+?
- 1...Sxe4
- 2.Qe5#
- 1...dxe4!
- 1...Sxe4
- 1.Qxf6+?
- 1...Bf5
- 2.Qe5#
- 1...Sf5
- 2.Be5#
- 2.Rf3#
- 2.Qe5#
- 1...Rxf6!
- 1...Bf5
- 1.Qf8?
- threat
- 2.Qd6#
- 2.Qb8#
- 1...Rg8
- 2.Qd6#
- 1...Bc8
- 2.Qd6#
- 1...Be8
- 2.Qd6#
- 1...Sf3
- 2.Rxf3#
- 1...Sb5
- 2.Be5#
- 2.Rf3#
- 1...Sf5
- 2.Be5#
- 2.Rf3#
- 1...Sc6
- 2.Rf3#
- 1...Se6
- 2.Be5#
- 2.Rf3#
- 2.Qd6#
- 1...Rxg5!
- threat
- 1.hxg6?
- 1...Se4
- 2.Sh5#
- 2.Qe5#
- 1...Bh3
- 2.Qc7#
- 1...Ba4
- 2.Qc7#
- 1...Bg4
- 2.Qc7#
- 1...Bb5
- 2.Qc7#
- 1...Bf5
- 2.Qc7#
- 1...Bc6
- 2.Qc7#
- 1...Be6
- 2.Qc7#
- 1...Bc8
- 2.Qc7#
- 1...Be8
- 2.Qc7#
- 1...Sc2
- 2.Be5#
- 2.Rf3#
- 1...Se2
- 2.Be5#
- 2.Rf3#
- 1...Sb3
- 2.Be5#
- 2.Rf3#
- 1...Sf3
- 2.Rxf3#
- 1...Sb5
- 2.Be5#
- 2.Rf3#
- 1...Sf5
- 2.Be5#
- 2.Rf3#
- 1...Sc6
- 2.Rf3#
- 1...Se6
- 2.Be5#
- 2.Rf3#
- 2.Qxf6#
- 1...Sg4
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 2.Qe5#
- 1...Sh7
- 2.Sh5#
- 2.Qe5#
- 1...Se8
- 2.Sh5#
- 2.Qe5#
- 1...Sg8
- 2.Sh5#
- 2.Qe5#
- 1...c4!
- 1...Se4
- 1.Se2+?
- Keys
- 1.Sh1!
- threat
- 2.g3#
- 1...Rxg5
- 2.Qxg5#
- 1...Sxh5
- 2.Qe5#
- 1...Bh3
- 2.Qc7#
- 1...Se2
- 2.Be5#
- 1...Sf5
- 2.Be5#
- 1...Se4
- 2.Qe5#
- threat
- 1.Sh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- R(h);OGATE,XR(H)::QAB1(J),XR(h)
- B(i);OGATE,P_PINP(D)::QAB(J)
- B(i);OGATE::QAB(J)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- S(g);OGATE::QAB1(J)
- Tries
- Try
- S(F);CHECK
- Vars
- S(c);OGATE,XS(F)::B(A)
- Refutation
- P(b);CHECK,XS(F)
- Try
- S(F);
- Threat
- P(D)
- Vars
- R(h);OGATE,XR(H)::QAB1(J),XR(h)
- S(g);OGATE,XS(F)::QAB1(J)
- S(g);OGATE,XP(I)::QAB1(J)
- B(i);OGATE::QAB(J)
- B(i);OGATE,P_PINP(D)::QAB(J)
- S(c);OGATE::B(A)
- Refutation
- S(c);
- Try
- S(F);
- Threat
- P(D)
- Vars
- R(h);OGATE,XR(H)::QAB1(J),XR(h)
- S(c);OGATE,XS(F)::B(A)
- S(g);OGATE,XP(I)::QAB1(J)
- S(c);OGATE::B(A)
- Refutation
- S(g);
- Try
- R(E);CHECK
- Vars
- S(g);OGATE,XR(E)::QAB1(J)
- Refutation
- P(f);XR(E)
- Try
- Q(J);CHECK,XS(g)
- Vars
- B(i);P_SPINB(i)::QAB1(J)
- Refutation
- R(h);XQ(J)
- Try
- Q(J);P_PINS(g)
- Threat
- DUALS(2)
- Vars
- R(h);::QAB(J)
- B(i);::QAB(J)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- R(h);XR(H)
- Try
- P(I);XR(h)
- Vars
- B(i);OGATE,P_PINP(D)::QAB(J)
- B(i);OGATE::QAB(J)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- S(g);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- Actual
- S(F);
- Threat
- P(D)
- Vars
- R(h);OGATE,XR(H)::QAB1(J),XR(h)
- S(g);OGATE,XP(I)::QAB1(J)
- B(i);OGATE,P_PINP(D)::QAB(J)
- S(c);OGATE::B(A)
- S(g);OGATE::QAB1(J)
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).