MESON Chess Problem Database
Problem Display
PID: 161267 (nB6/1pn5/1p6/1PP3Np/p1NkP1pP/Q2p2K1/1P6/2R5 w - - 0 1)
Archakov, Vladimir Mikhailovich
Sachove umeni (Ceskoslovensky sach), 1968
#2
11 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sxb5
- 2.Be5#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 1...Se6
- 2.Be5#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...bxc5
- 2.Qc3#
- 1...Sxb5
- Tries
- 1.Kf2?
- 1...Sxb5
- 2.Be5#
- 1...bxc5
- 2.Qc3#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 1...Se6
- 2.Be5#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...g3+!
- 1...Sxb5
- 1.Kg2?
- 1...Sxb5
- 2.Be5#
- 1...bxc5
- 2.Qc3#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 1...Se6
- 2.Be5#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...g3!
- 1...Sxb5
- 1.Kh2?
- 1...Sxb5
- 2.Be5#
- 1...bxc5
- 2.Qc3#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 1...Se6
- 2.Be5#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...g3+!
- 1...Sxb5
- 1.Kf4?
- 1...Se6+
- 2.Sxe6#
- 1...Sxb5
- 2.Se6#
- 2.Be5#
- 1...bxc5
- 2.Qc3#
- 1...Sa6
- 2.Se6#
- 2.Be5#
- 1...Se8
- 2.Se6#
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...g3
- 2.Sf3#
- 1...Sd5+!
- 1...Se6+
- 1.Se3?
- 1...Ke5
- 2.Qc3#
- 1...Sxb5
- 2.Sf5#
- 1...bxc5
- 2.Qxc5#
- 1...Sd5
- 2.Sf5#
- 1...Sa6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...d2
- 2.Qc3#
- 1...Kxe3!
- 1...Ke5
- 1.Sd6?
- 1...Ke5
- 2.Qc3#
- 1...Sxb5
- 2.Sf5#
- 1...bxc5
- 2.Qxc5#
- 1...Sd5
- 2.Sf5#
- 1...Sa6
- 2.Sf5#
- 1...Se6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...d2
- 2.Qc3#
- 1...Ke3!
- 1...Ke5
- 1.Rc2?
- 1...Sxb5
- 2.Be5#
- 1...bxc5
- 2.Qc3#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 1...Se6
- 2.Be5#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...dxc2!
- 1...Sxb5
- 1.b4?
- threat
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...Sxb5
- 2.Be5#
- 1...Sd5
- 2.Be5#
- 1...d2
- 2.Qc3#
- 2.Qe3#
- 1...axb4 ep!
- threat
- 1.cxb6?
- 1...Sxb5
- 2.Be5#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 2.Qd6#
- 1...Se6
- 2.Be5#
- 2.Qd6#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...Sxb6!
- 1...Sxb5
- 1.c6?
- 1...Sxb5
- 2.Be5#
- 1...Sd5
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 2.Qd6#
- 1...Se6
- 2.Be5#
- 2.Qd6#
- 1...Se8
- 2.Be5#
- 1...d2
- 2.Qe3#
- 1...bxc6!
- 1...Sxb5
- 1.Kf2?
- Keys
- 1.Se5!
- 1...Ke3
- 2.Qxd3#
- 1...Kxe5
- 2.Qc3#
- 1...Sxb5
- 2.Qxd3#
- 1...bxc5
- 2.Qxc5#
- 1...Sd5
- 2.Qxd3#
- 1...Sa6
- 2.Qxd3#
- 1...Se6
- 2.Qxd3#
- 1...Se8
- 2.Qxd3#
- 1...d2
- 2.Qc3#
- 1...Ke3
- 1.Se5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(h);OGATE,XP(H)::B(K)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- P(f);SBLOCK,XP(I)::QAB1(C)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- S(h);OGATE,XP(H)::B(K)
- P(f);SBLOCK,XP(I)::QAB1(C)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- Refutation
- P(d);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- S(h);OGATE,XP(H)::B(K)
- P(f);SBLOCK,XP(I)::QAB1(C)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- Refutation
- P(d);
- Try
- K(D);S_FLIGHT
- Vars
- S(h);OGATE,XP(H)::B(K)
- P(f);SBLOCK,XP(I)::QAB1(C)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- Refutation
- P(d);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- S(h);CHECK,N_GUARD::S(J),XS(h)
- P(f);SBLOCK,XP(I)::QAB1(C)
- P(a);OGATE::QAB1(C)
- P(d);N_GUARD::S(J)
- Refutation
- S(h);CHECK
- Try
- S(E);
- Vars
- K(c);P_SPINS(h),S_FLIGHT::QAB(C)
- S(h);XP(H)::S(E)
- P(f);OGATE,XP(I)::QAB1(C),XP(f)
- S(h);::S(E)
- P(a);::QAB1(C)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT,XS(E)
- Try
- S(E);
- Vars
- K(c);S_FLIGHT::QAB(C)
- S(h);XP(H)::S(E)
- P(f);OGATE,XP(I)::QAB1(C),XP(f)
- S(h);::S(E)
- P(a);::QAB1(C)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- R(A);
- Vars
- S(h);OGATE,XP(H)::B(K)
- P(f);SBLOCK,XP(I)::QAB1(C)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- Refutation
- P(a);XR(A)
- Try
- P(B);
- Threat
- DUALS(3)
- Vars
- S(h);OGATE,XP(H)::B(K)
- S(h);OGATE::B(K)
- Refutation
- P(b);EP,XP(B)
- Try
- P(I);XP(f)
- Vars
- S(h);OGATE,XP(H)::B(K)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- Refutation
- S(i);XP(I)
- Try
- P(I);
- Vars
- S(h);OGATE,XP(H)::B(K)
- S(h);OGATE::B(K)
- P(a);OGATE::QAB1(C)
- Refutation
- P(g);XP(I)
- Try
- Actual
- S(E);
- Vars
- K(c);P_SPINP(a),S_FLIGHT::QAR1(C),XP(a)
- K(c);P_SPINS(h),S_FLIGHT,XS(E)::QAB(C)
- S(h);XP(H)::QAR1(C),XP(a)
- P(f);OGATE,XP(I)::QAB1(C),XP(f)
- S(h);::QAR1(C),XP(a)
- P(a);::QAB1(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).