MESON Chess Problem Database
Problem Display
PID: 232565 (3K4/P1RP4/5R2/3kp1NN/2pp2Q1/1n3r1b/q6B/4r1nB w - - 0 1)
Heyl, Peter
Freie Presse, 2011
#2
10 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.a8Q#
- 2.a8B#
- 1...Qb2
- 2.a8Q#
- 2.a8B#
- 1...Qc2
- 2.a8Q#
- 2.a8B#
- 1...Qd2
- 2.a8Q#
- 2.a8B#
- 1...Qe2
- 2.a8Q#
- 2.a8B#
- 1...Qf2
- 2.a8Q#
- 2.a8B#
- 1...Qg2
- 2.a8Q#
- 2.a8B#
- 1...Qxh2
- 2.a8Q#
- 2.a8B#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Rf1
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Bf1
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Se2
- 2.Qe4#
- 1...d3
- 2.Qxc4#
- 1...e4
- 2.Rd6#
- 1...Qb1
- Tries
- 1.Bxf3+?
- 1...Re4
- 2.Bxe4#
- 2.Qxe4#
- 1...e4
- 2.Rf5#
- 2.Rd6#
- 1...Sxf3!
- 1...Re4
- 1.Ra6?
- threat
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qxh2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Bxg4
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qa3
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qb1
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qa1
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qb2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qc2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qd2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qe2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qf2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Qg2
- 2.a8Q#
- 2.a8B#
- 1...Qa4
- 2.Sf6#
- 1...Qa5
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Ra1
- 2.Sf6#
- 2.Qe4#
- 2.a8Q#
- 2.a8B#
- 1...Rb1
- 2.Sf6#
- 2.Qe4#
- 2.a8Q#
- 2.a8B#
- 1...Rc1
- 2.Sf6#
- 2.Qe4#
- 2.a8Q#
- 2.a8B#
- 1...Rd1
- 2.Sf6#
- 2.Qe4#
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- 2.Sf6#
- 2.Qe4#
- 2.a8Q#
- 2.a8B#
- 1...Re2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Re3
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Re4
- 2.Qxe4#
- 2.a8Q#
- 2.a8B#
- 1...Bf1
- 2.Sf6#
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Bg2
- 2.Qe6#
- 2.a8Q#
- 2.a8B#
- 1...Se2
- 2.Sf6#
- 2.Qe4#
- 2.a8Q#
- 2.a8B#
- 1...Sa1
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Sc1
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Sd2
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...Sa5
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...c3
- 2.Sf6#
- 2.a8Q#
- 2.a8B#
- 1...d3
- 2.Sf6#
- 2.Qxc4#
- 2.a8Q#
- 2.a8B#
- 1...e4
- 2.Rd6#
- 2.a8Q#
- 2.a8B#
- 1...Qxa6!
- threat
- 1.Rfc6?
- threat
- 2.Sf6#
- 1...Re4
- 2.Qxe4#
- 1...Bg2
- 2.Qe6#
- 1...e4
- 2.Rd6#
- 1...Qg2!
- threat
- 1.Re6?
- threat
- 2.Sf6#
- 1...Qg2
- 2.a8Q#
- 2.a8B#
- 1...Re4
- 2.Qxe4#
- 1...e4
- 2.Rd6#
- 1...Bg2!
- threat
- 1.Qxf3+?
- 1...Re4
- 2.Qxe4#
- 1...e4
- 2.Rd6#
- 1...Sxf3!
- 1...Re4
- 1.Bxf3+?
- Keys
- 1.Rb6!
- threat
- 2.Sf6#
- 1...Qg2
- 2.a8Q#
- 2.a8B#
- 1...Re4
- 2.Qxe4#
- 1...Bg2
- 2.Qe6#
- 1...e4
- 2.Rd6#
- threat
- 1.Rb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(c);N_GUARD::P=Q
- Q(c);N_GUARD,N_SPINR(e)::P=Q
- Q(c);N_GUARD,XB(B)::P=Q
- R(a);N_GUARD::QAB1(C)
- R(a);N_GUARD,N_SPINR(e)::QAB1(C),XR(a)
- B(f);N_GUARD::QAB1(C)
- B(f);N_GUARD,N_SPINR(e)::QAB1(C)
- S(b);S_CUTR(a)::QAB1(C)
- P(h);OGATE::QAB1(C),XP(g)
- P(j);N_SPINR(e)::R1(F)
- Tries
- Try
- B(A);CHECK,XR(e)
- Refutation
- S(b);XB(A)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- Q(c);N_SPINR(e)::P=Q
- Q(c);::S(E)
- S(d);::S(E)
- Refutation
- Q(c);XR(F)
- Try
- R(F);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,N_SPINR(e)::QAB1(C),XR(a)
- B(f);N_GUARD,N_SPINR(e)::QAB1(C)
- P(j);N_SPINR(e)::R1(F)
- Refutation
- Q(c);N_SPINR(e)
- Try
- R(F);
- Threat
- S(E)
- Vars
- Q(c);N_GUARD,N_SPINR(e)::P=Q
- R(a);N_GUARD,N_SPINR(e)::QAB1(C),XR(a)
- P(j);N_SPINR(e)::R1(F)
- Refutation
- B(f);N_SPINR(e)
- Try
- Q(C);CHECK,XR(e)
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(C),XR(a)
- P(j);P_SPINP(j)::R1(F)
- Refutation
- S(b);P_SPINS(b),XQ(C)
- Try
- Actual
- R(F);
- Threat
- S(E)
- Vars
- Q(c);N_GUARD,N_SPINR(e)::P=Q
- R(a);N_GUARD,N_SPINR(e)::QAB1(C),XR(a)
- B(f);N_GUARD,N_SPINR(e)::QAB1(C)
- P(j);N_SPINR(e)::R1(F)
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).