MESON Chess Problem Database
Problem Display
PID: 165704 (2R5/p6B/2b3pB/1N1p4/p2Q4/KPNR4/ppk1Pp2/nq3r2 w - - 0 1)
Papack, Daniel
Die Schwalbe, 2016
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Rd2#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...Rc1
- Tries
- 1.Kb4?
- threat
- 2.Sa3#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...a3
- 2.Sxa3#
- 1...a5+!
- threat
- 1.Sxb1?
- threat
- 2.Qxb2#
- 1...Kxb1
- 2.Qxb2#
- 1...Rxb1
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 1...axb1Q
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 1...axb1R
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 1...axb1S+!
- threat
- 1.Sd1?
- threat
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 1...Qxd1
- 2.Qxb2#
- 1...Sxb3
- 2.Rc3#
- 2.Qc3#
- 1...Qc1!
- threat
- 1.Sxa4?
- threat
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 1...Sxb3
- 2.Rc3#
- 2.Qc3#
- 1...Qd1
- 2.Qxb2#
- 1...Qe1
- 2.Qxb2#
- 1...Qc1!
- threat
- 1.Se4?
- threat
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 1...Sxb3
- 2.Rc3#
- 2.Qc3#
- 1...Qd1
- 2.Qxb2#
- 1...Qe1
- 2.Qxb2#
- 1...Qc1!
- threat
- 1.Sxd5?
- threat
- 2.Sb4#
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 2.Qc4#
- 1...Sxb3
- 2.Sb4#
- 2.Rc3#
- 2.Qc3#
- 2.Qc4#
- 1...Qd1
- 2.Qxb2#
- 1...Qe1
- 2.Qxb2#
- 1...g5
- 2.Rd1#
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 2.Qc4#
- 1...a5
- 2.Rc3#
- 2.Rxc6#
- 2.Qc3#
- 2.Qc5#
- 2.Qc4#
- 1...Qc1!
- threat
- 1.Qxf2?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qe3?
- threat
- 2.Sd4#
- 2.Qd2#
- 1...Bxb5
- 2.Sxb5#
- 2.Qd2#
- 1...Qd1
- 2.Sd4#
- 1...Qc1
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Rd1
- 2.Sd4#
- 1...d4
- 2.Sxd4#
- 2.Qd2#
- 1...Sxb3!
- threat
- 1.Qc5?
- threat
- 2.Sd1#
- 2.Sxa2#
- 2.Sxa4#
- 2.Se4#
- 2.Sxd5#
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...axb3
- 2.Sd1#
- 2.Sxa2#
- 2.Sa4#
- 2.Se4#
- 2.Sxd5#
- 2.Sd4#
- 1...g5
- 2.Sd1#
- 2.Sxa2#
- 2.Sxa4#
- 2.Se4#
- 2.Sxd5#
- 2.Rd1#
- 1...Qd1
- 2.Sd4#
- 1...Qc1
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Rd1
- 2.Sxd1#
- 2.Sxa2#
- 2.Sxa4#
- 2.Se4#
- 2.Sxd5#
- 2.Sd4#
- 1...d4
- 2.Sd1#
- 2.Sxa2#
- 2.Sxa4#
- 2.Se4#
- 2.Sd5#
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qe5?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qb6?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qf6?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qxa7?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qg7?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qh8?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qb4?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qc4?
- threat
- 2.Sxd5#
- 2.Sd4#
- 1...Sxb3
- 2.Sxd5#
- 1...dxc4
- 2.Sd4#
- 1...g5
- 2.Sxd5#
- 2.Rd1#
- 1...Qd1
- 2.Sd4#
- 1...Qc1
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...d4
- 2.Sd1#
- 2.Sxa2#
- 2.Sxa4#
- 2.Se4#
- 2.Sd5#
- 2.Sxd4#
- 1...Bxb5!
- threat
- 1.Qe4?
- threat
- 2.Sd4#
- 2.Rxd5#
- 1...Bxb5
- 2.Sxb5#
- 1...Sxb3
- 2.Rxd5#
- 1...dxe4
- 2.Sd4#
- 1...Qd1
- 2.Sd4#
- 1...Rd1
- 2.Sd4#
- 1...d4
- 2.Sxd4#
- 1...g5!
- threat
- 1.Qf4?
- threat
- 2.Sd4#
- 2.Qd2#
- 1...Bxb5
- 2.Sxb5#
- 2.Qd2#
- 1...Qd1
- 2.Sd4#
- 1...Qc1
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Rd1
- 2.Sd4#
- 1...d4
- 2.Sxd4#
- 2.Qd2#
- 1...Sxb3!
- threat
- 1.Qg4?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qh4?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- 1...Sxb3!
- threat
- 1.Qxd5?
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...Sxb3!
- threat
- 1.Kb4?
- Keys
- 1.Qxa4!
- threat
- 2.Sd4#
- 1...Bxb5
- 2.Sxb5#
- 1...g5
- 2.Rd1#
- 1...d4
- 2.Sxd4#
- threat
- 1.Qxa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(c);SBLOCK::R1(E)
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(h);::S(G),XP(h)
- Refutation
- P(l);CHECK
- Try
- S(D);P_PINB(j),XQ(b)
- Threat
- QAR1(F),XP(e)
- Vars
- K(f);N_SPINB(j),S_FLIGHT,XS(D)::QAR1(F),XP(e)
- Refutation
- P(d);CHECK,XS(D)
- Try
- S(D);P_PINB(j)
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD,XS(D)::QAR1(F),XP(e)
- Refutation
- Q(b);
- Try
- S(D);P_PINB(j),XP(h)
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- Q(b);
- Try
- S(D);P_PINB(j)
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- Q(b);
- Try
- S(D);P_PINB(j),XP(i)
- Threat
- DUALS(6)
- Vars
- Q(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- Q(b);
- Try
- Q(F);XP(g)
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(b);::S(G)
- R(c);::S(G)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- DUALS(6)
- Vars
- B(j);XS(G)::QAR(F)+S(D),XB(j)
- Q(b);::S(G)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);XP(l)
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(a);XP(C)::QAR(F)+S(D),XP(i)
- P(i);XQ(F)::S(G)
- Q(b);::S(G)
- Refutation
- B(j);XS(G)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- S(a);XP(C)::QAB(F)+R(E),XP(i)
- P(i);XQ(F)::S(G)
- Q(b);::S(G)
- R(c);::S(G)
- P(i);::S(G),XP(i)
- Refutation
- P(k);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(b);::S(G)
- R(c);::S(G)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
- Refutation
- S(a);XP(C)
- Try
- Q(F);XP(i)
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- Refutation
- S(a);XP(C)
- Try
- Actual
- Q(F);XP(h)
- Threat
- S(G)
- Vars
- B(j);XS(G)::R(J)+S(D),XB(j)
- P(k);OGATEB::B(I)+R(E)
- P(i);::S(G),XP(i)
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).