MESON Chess Problem Database
Problem Display
PID: 166051 (2nQ4/6p1/2R5/2nPr3/pP1k1P2/Nb1p2N1/1K1R1P2/7B w - - 0 1)
Papack, Daniel
Die Schwalbe, 2017
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sf5#
- 1...Re2
- 2.Sxe2#
- 2.Sf5#
- 1...Re3
- 2.Sf5#
- 1...Re4
- 2.Sf5#
- 1...Rxd5
- 2.Se2#
- 2.Sf5#
- 1...Rf5
- 2.Se2#
- 2.Sxf5#
- 1...Rg5
- 2.Se2#
- 1...Rh5
- 2.Se2#
- 1...Re6
- 2.Sf5#
- 1...Re7
- 2.Sf5#
- 1...Re8
- 2.Sf5#
- 1...Bc4
- 2.Sc2#
- 1...Se4
- 2.Sb5#
- 2.Se2#
- 1...Sa6
- 2.Sb5#
- 1...Se6
- 2.Sb5#
- 1...Sb7
- 2.Sb5#
- 1...Sd7
- 2.Sb5#
- 1...Re1
- Tries
- 1.Sc2+?
- 1...Kc4
- 2.Rxc5#
- 1...Bxc2!
- 1...Kc4
- 1.Qg5?
- threat
- 2.Qxe5#
- 1...Rxd5
- 2.Se2#
- 1...Rxg5
- 2.Se2#
- 1...Re1
- 2.Sf5#
- 1...Re2
- 2.Sxe2#
- 2.Sf5#
- 1...Re3
- 2.Sf5#
- 1...Rf5
- 2.Se2#
- 2.Sxf5#
- 1...Re6
- 2.Sf5#
- 1...Re7
- 2.Sf5#
- 1...Re8
- 2.Sf5#
- 1...Sd7
- 2.Sb5#
- 1...Re4!
- threat
- 1.Qb6?
- threat
- 2.Qxc5#
- 1...Rxd5
- 2.Se2#
- 1...Sxb6!
- threat
- 1.Qf6?
- threat
- 2.Se2#
- 2.Sf5#
- 2.Qxe5#
- 1...Se4
- 2.Qxe5#
- 1...Bd1
- 2.Sf5#
- 2.Qxe5#
- 1...Sd7
- 2.Sb5#
- 2.Se2#
- 2.Sf5#
- 1...Sd6
- 2.Se2#
- 2.Qxe5#
- 1...Se7
- 2.Se2#
- 2.Qxe5#
- 1...g6
- 2.Se2#
- 2.Qxe5#
- 1...gxf6!
- threat
- 1.Qe7?
- threat
- 2.Qxc5#
- 2.Qxe5#
- 1...Rxd5
- 2.Se2#
- 2.Qe3#
- 1...Rxe7
- 2.Sf5#
- 1...Re4
- 2.Qxc5#
- 1...Se4
- 2.Qxe5#
- 1...Re1
- 2.Sf5#
- 2.Qxc5#
- 1...Re2
- 2.Sxe2#
- 2.Sf5#
- 2.Qxc5#
- 1...Re3
- 2.Sf5#
- 2.Qxc5#
- 2.Qxe3#
- 2.fxe3#
- 1...Rf5
- 2.Se2#
- 2.Sxf5#
- 2.Qxc5#
- 2.Qe3#
- 1...Rg5
- 2.Se2#
- 2.Qxc5#
- 2.Qe3#
- 1...Rh5
- 2.Se2#
- 2.Qxc5#
- 2.Qe3#
- 1...Re6
- 2.Sf5#
- 2.Qxc5#
- 1...Sa6
- 2.Sb5#
- 2.Qxe5#
- 1...Se6
- 2.Sb5#
- 1...Sb7
- 2.Sb5#
- 2.Qxe5#
- 1...Sd7
- 2.Sb5#
- 1...Sd6
- 2.Qxe5#
- 1...Sxe7!
- threat
- 1.Qd6?
- threat
- 2.Qxc5#
- 2.Qxe5#
- 1...Rxd5
- 2.Se2#
- 2.Sf5#
- 1...Re1
- 2.Sf5#
- 2.Qxc5#
- 1...Re2
- 2.Sxe2#
- 2.Sf5#
- 2.Qxc5#
- 1...Re3
- 2.Sf5#
- 2.Qxc5#
- 1...Re4
- 2.Sf5#
- 2.Qxc5#
- 1...Rf5
- 2.Se2#
- 2.Sxf5#
- 2.Qxc5#
- 1...Rg5
- 2.Se2#
- 2.Qxc5#
- 1...Rh5
- 2.Se2#
- 2.Qxc5#
- 1...Re6
- 2.Sf5#
- 2.Qxc5#
- 1...Re7
- 2.Sf5#
- 2.Qxc5#
- 1...Re8
- 2.Sf5#
- 2.Qxc5#
- 1...Se4
- 2.Sb5#
- 2.Se2#
- 2.Qxe5#
- 1...Sa6
- 2.Sb5#
- 2.Qxe5#
- 1...Se6
- 2.Sb5#
- 2.Qxe5#
- 1...Sb7
- 2.Sb5#
- 2.Qxe5#
- 1...Sd7
- 2.Sb5#
- 1...Sxd6!
- threat
- 1.Sc2+?
- Keys
- 1.Qa5!
- threat
- 2.Qxc5#
- 1...Rxd5
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sa6
- 2.Sb5#
- 1...Se6
- 2.Sb5#
- 1...Sb7
- 2.Sb5#
- 1...Sd7
- 2.Sb5#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(f);N_GUARD::S(F)
- B(a);N_GUARD,SBLOCK::S(E)
- S(e);::S(E)
- Tries
- Try
- S(E);CHECK
- Vars
- K(d);N_SPINP(b),P-FLIGHT,P_SPINS(e)::R1(J),XS(e)
- Refutation
- B(a);XS(E)
- Try
- Q(K);
- Threat
- QAB1(K),XR(f)
- Vars
- R(f);N_GUARD,XP(I)::S(F)
- R(f);N_GUARD,XQ(K)::S(F)
- R(f);N_GUARD::S(F)
- S(e);::S(E)
- Refutation
- R(f);
- Try
- Q(K);P_PINS(e)
- Threat
- QAB1(K),XS(e)
- Vars
- R(f);N_GUARD,XP(I)::S(F)
- Refutation
- S(h);N_SPINS(e),XQ(K)
- Try
- Q(K);P_PINR(f)
- Threat
- DUALS(3)
- Vars
- S(e);::QAB1(K),XR(f)
- Refutation
- P(g);N_SPINR(f),XQ(K)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,XQ(K)::S(F)
- R(f);::QAB1(K),XS(e)
- S(e);::QAB1(K),XR(f)
- S(e);::S(E)
- S(h);::QAB1(K),XR(f)
- Refutation
- S(h);XQ(K)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- S(e);::S(E)
- Refutation
- S(h);XQ(K)
- Try
- Actual
- Q(K);
- Threat
- QAB1(K),XS(e)
- Vars
- R(f);N_GUARD,XP(I)::S(F)
- S(e);S_CUTR(f)::S(F)
- S(e);::S(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).