MESON Chess Problem Database
Problem Display
PID: 180734 (3R4/1KQp3q/3pPR2/PN1kPN2/pB2pPn1/2p1r2B/1n6/1r6 w - - 0 1)
Papack, Daniel
Die Schwalbe, 2018
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Se7#
- 1...Qg8
- 2.Se7#
- 1...Qxh3
- 2.Se7#
- 1...Qh4
- 2.Se7#
- 1...Qh5
- 2.Se7#
- 1...Qh6
- 2.Se7#
- 1...Qe7
- 2.Sxe7#
- 1...Qh8
- 2.Se7#
- 1...Re1
- 2.Sxc3#
- 1...Re2
- 2.Sxc3#
- 1...Sd3
- 2.Sxc3#
- 1...Sf2
- 2.Sxe3#
- 1...Sh2
- 2.Sxe3#
- 1...Sxe5
- 2.Sxe3#
- 1...Sxf6
- 2.Sxe3#
- 1...Sh6
- 2.Sxe3#
- 1...dxe5
- 2.Qc5#
- 2.Qc6#
- 1...dxe6
- 2.Rxd6#
- 1...Qg6
- Tries
- 1.Sa3?
- threat
- 2.Qxd6#
- 1...dxe5
- 2.Qd6#
- 2.Qc5#
- 2.Qc6#
- 1...dxe6
- 2.Rxd6#
- 1...Sc4
- 2.Qxc4#
- 1...Qe7!
- threat
- 1.Sbxd6?
- threat
- 2.Qc5#
- 1...dxe6
- 2.Sf7#
- 1...Sd3
- 2.Qc4#
- 1...Sxf6!
- threat
- 1.Bxd6?
- threat
- 2.Qc5#
- 1...Sxf6
- 2.Sxe3#
- 1...dxe6
- 2.Be7#
- 1...Sd3!
- threat
- 1.Rxd7?
- threat
- 2.Rxd6#
- 2.Qc5#
- 2.Qc6#
- 1...Sxe5
- 2.Sxe3#
- 2.Rxd6#
- 2.Qc5#
- 1...Sxf6
- 2.Sxe3#
- 2.Rxd6#
- 1...Qe7
- 2.Sxe7#
- 2.Qc5#
- 2.Qc6#
- 1...Sd3
- 2.Sxc3#
- 2.Rxd6#
- 2.Qc6#
- 1...Sc4
- 2.Qc5#
- 2.Qc6#
- 1...Qxd7!
- threat
- 1.Rc8?
- threat
- 2.Qxd6#
- 1...dxe5
- 2.Qd6#
- 2.Qc5#
- 1...Qe7
- 2.Sxe7#
- 1...Sc4
- 2.Qxc4#
- 1...dxe6!
- threat
- 1.Qc4+?
- 1...Sxc4
- 2.Sc7#
- 1...Kxc4!
- 1...Sxc4
- 1.exd6?
- threat
- 2.Qc5#
- 1...Sxf6
- 2.Sxe3#
- 1...Sd3
- 2.Sxc3#
- 1...dxe6!
- threat
- 1.exd7?
- threat
- 2.Rxd6#
- 2.Qc6#
- 1...Sxe5
- 2.Sxe3#
- 2.Rxd6#
- 1...Sxf6
- 2.Sxe3#
- 1...dxe5
- 2.Rd6#
- 2.Qc5#
- 2.Qc6#
- 1...Qg6
- 2.Se7#
- 2.Qc6#
- 1...Qh6
- 2.Se7#
- 2.Qc6#
- 1...Qe7
- 2.Sxe7#
- 2.Qc6#
- 1...Sc4
- 2.Qc6#
- 1...Qxd7!
- threat
- 1.Sa3?
- Keys
- 1.Sfxd6!
- threat
- 2.Qc5#
- 1...dxe6
- 2.Sf7#
- 1...Sd3
- 2.Qc4#
- threat
- 1.Sfxd6!
This is a version of 166767
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- Q(k);N_GUARD::S(G)
- Q(k);N_GUARD,XB(A)::S(G)
- Q(k);N_GUARD::S(G),XQ(k)
- R(d);N_GUARD::S(E),XP(c)
- S(b);S_CUTR(d)::S(E),XP(c)
- S(g);N_GUARD::S(G),XR(d)
- S(g);N_GUARD,XP(F)::S(G),XR(d)
- S(g);N_GUARD,XR(I)::S(G),XR(d)
- P(j);OGATE,P_PINQ(K),P_SPINP(i),XP(H)::R1(L),XP(i)
- Tries
- Try
- S(E);
- Threat
- QAR1(K),XP(i)
- Vars
- P(j);OGATE,P_PINQ(K),P_SPINP(i),XP(H)::R1(L),XP(i)
- S(b);N_GUARD,P_PINB(B)::QAB1(K),XS(b)
- Refutation
- Q(k);
- Try
- S(E);XP(i)
- Threat
- QAR1(K)
- Vars
- P(j);P_PINQ(K),XP(H)::R(L)+S(E)
- S(b);N_GUARD,P_PINB(B)::QAB1(K)
- Refutation
- S(g);XR(I)
- Try
- B(B);XP(i)
- Threat
- QAR1(K)
- Vars
- S(g);N_GUARD,XR(I)::S(G),XR(d)
- P(j);OGATEB,P_PINQ(K),XP(H)::R(L)+B(B)
- Refutation
- S(b);P_PINS(E)
- Try
- R(L);P_PINP(i),XP(j)
- Threat
- DUALS(3)
- Refutation
- Q(k);N_SPINP(i),P_PINQ(K),XR(L)
- Try
- R(L);
- Threat
- QAR1(K),XP(i)
- Vars
- Q(k);N_GUARD::S(G),XQ(k)
- S(b);N_GUARD::QAB1(K),XS(b)
- Refutation
- P(j);P_PINQ(K),XP(H)
- Try
- Q(K);CHECK
- Vars
- S(b);SBLOCK,XQ(K)::S(E)
- Refutation
- K(h);S_FLIGHT,XQ(K)
- Try
- P(F);XP(i)
- Threat
- QAR1(K)
- Vars
- S(g);N_GUARD,XR(I)::S(G),XR(d)
- S(b);S_CUTR(d)::S(E),XP(c)
- Refutation
- P(j);P_PINQ(K),XP(H)
- Try
- P(H);XP(j)
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,XR(I)::S(G),XR(d)
- S(b);::QAB1(K)
- Refutation
- Q(k);P_PINQ(K),XP(H)
- Try
- Actual
- S(G);XP(i)
- Threat
- QAR1(K)
- Vars
- P(j);P_PINQ(K),XP(H)::R(L)+S(G)
- S(b);N_GUARD::QAB1(K)
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).