MESON Chess Problem Database
Problem Display
PID: 155945 (3RQ2B/4KP2/1pN5/1pp4p/2k1Bp2/R7/1P1p2b1/2rqn1n1 w - - 0 1)
Papack, Daniel
1st Prize, Schach, 2013
#2
9 + 12
| 23 | Die Schwalbe | 2015 |
| 56 | The Problemist | 2015 |
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.b3#
- 1...Qg4
- 2.b3#
- 1...Ra1
- 2.Rc3#
- 1...Rb1
- 2.Rc3#
- 1...Rc2
- 2.b3#
- 1...Rc3
- 2.Rxc3#
- 1...Bf1
- 2.Bd5#
- 1...Bh3
- 2.Bd5#
- 1...Sc2
- 2.Bd3#
- 2.Rc3#
- 2.b3#
- 1...Sd3
- 2.Bxd3#
- 1...Sef3
- 2.Bd3#
- 2.Bd5#
- 1...Sgf3
- 2.Bd5#
- 1...f3
- 2.Bd5#
- 1...b4
- 2.Se5#
- 1...Qe2
- Tries
- 1.Kd6?
- threat
- 2.Qe6#
- 1...Bxe4
- 2.Qxe4#
- 1...Qg4
- 2.b3#
- 1...Bh3
- 2.Bd5#
- 1...b4!
- threat
- 1.Kf6?
- threat
- 2.Qe6#
- 1...Bxe4
- 2.Qxe4#
- 1...b4
- 2.Se5#
- 1...Bh3
- 2.Bd5#
- 1...Qg4!
- threat
- 1.Bc3?
- threat
- 2.Se5#
- 1...Rxc3
- 2.Rxc3#
- 1...Sd3
- 2.Bxd3#
- 1...Sef3
- 2.Bd3#
- 1...Sgf3!
- threat
- 1.Qd7?
- threat
- 2.Qe6#
- 2.Qd5#
- 1...b4
- 2.Se5#
- 1...Qg4
- 2.Qd5#
- 2.b3#
- 1...Bh3
- 2.Bd5#
- 2.Qd5#
- 1...Bxe4!
- threat
- 1.f8Q?
- threat
- 2.Qef7#
- 2.Qff7#
- 2.Qg8#
- 1...b4
- 2.Se5#
- 1...Qg4
- 2.b3#
- 1...Bh3
- 2.Bd5#
- 1...Bxe4!
- threat
- 1.f8S?
- threat
- 2.Qf7#
- 1...b4
- 2.Se5#
- 1...Qg4
- 2.b3#
- 1...Bh3
- 2.Bd5#
- 1...Bxe4!
- threat
- 1.f8B?
- threat
- 2.Qf7#
- 1...b4
- 2.Se5#
- 1...Qg4
- 2.b3#
- 1...Bh3
- 2.Bd5#
- 1...Bxe4!
- threat
- 1.f8R?
- threat
- 2.Qf7#
- 1...b4
- 2.Se5#
- 1...Qg4
- 2.b3#
- 1...Bh3
- 2.Bd5#
- 1...Bxe4!
- threat
- 1.Kd6?
- Keys
- 1.Kf8!
- threat
- 2.Qe6#
- 1...Bxe4
- 2.Qxe4#
- 1...b4
- 2.Se5#
- 1...Qg4
- 2.b3#
- 1...Bh3
- 2.Bd5#
- threat
- 1.Kf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(b);N_GUARD,P_PINB(C)::P(A)
- Q(b);N_GUARD::P(A)
- R(a);N_GUARD::R1(B)
- R(a);S_CUTQ(b)::P(A)
- R(a);N_GUARD::R1(B),XR(a)
- B(f);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(d);S_CUTB(f)::B(C)
- P(h);S_CUTB(f)::B(C)
- P(i);SBLOCK::S(D)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- QAB(H)
- Vars
- B(f);OGATE,XB(C)::QAR2(H),XB(f)
- Q(b);N_GUARD::P(A)
- B(f);N_GUARD::B(C)
- Refutation
- P(i);
- Try
- K(E);S_FLIGHT
- Threat
- QAB(H)
- Vars
- B(f);OGATE,XB(C)::QAR2(H),XB(f)
- P(i);SBLOCK::S(D)
- B(f);N_GUARD::B(C)
- Refutation
- Q(b);
- Try
- B(I);
- Threat
- S(D)
- Vars
- R(a);OGATE,XB(I)::R1(B),XR(a)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD::B(C)
- Refutation
- S(d);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- P(i);SBLOCK::S(D)
- Refutation
- B(f);XB(C)
- Try
- P(F);
- Threat
- DUALS(3)
- Vars
- P(i);SBLOCK::S(D)
- Q(b);N_GUARD::P(A)
- B(f);N_GUARD::B(C)
- Refutation
- B(f);XB(C)
- Try
- P(F);
- Threat
- QAB(H)
- Vars
- P(i);SBLOCK::S(D)
- Q(b);N_GUARD::P(A)
- B(f);N_GUARD::B(C)
- Refutation
- B(f);XB(C)
- Try
- P(F);
- Threat
- QAB(H)
- Vars
- P(i);SBLOCK::S(D)
- Q(b);N_GUARD::P(A)
- B(f);N_GUARD::B(C)
- Refutation
- B(f);XB(C)
- Try
- P(F);
- Threat
- QAB(H)
- Vars
- P(i);SBLOCK::S(D)
- Q(b);N_GUARD::P(A)
- B(f);N_GUARD::B(C)
- Refutation
- B(f);XB(C)
- Try
- Actual
- K(E);S_FLIGHT
- Threat
- QAB(H)
- Vars
- B(f);OGATE,XB(C)::QAR2(H),XB(f)
- P(i);SBLOCK::S(D)
- Q(b);N_GUARD::P(A)
- B(f);N_GUARD::B(C)
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).