MESON Chess Problem Database
Problem Display
PID: 197057 (1Kn5/1NPk1B2/1P1pR3/2p5/2N5/3R1P2/1q1P4/7Q w - - 0 1)
Bakhlakov, Iosif
Zadachi i Etyudi, 1996
#2
11 + 5
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Be8#
- 1...Qc1
- 2.Se5#
- 1...Qa3
- 2.Se5#
- 1...Qe5
- 2.Sxe5#
- 1...Qb1
- 2.Se5#
- 1...Qa2
- 2.Se5#
- 1...Qc2
- 2.Se5#
- 1...Qxd2
- 2.Se5#
- 1...Qb3
- 2.Se5#
- 1...Qb4
- 2.Se5#
- 1...Qb5
- 2.Se5#
- 1...Qxb6
- 2.Se5#
- 1...Sxb6
- 2.Rdxd6#
- 1...Sa7
- 2.Rdxd6#
- 1...Se7
- 2.Rdxd6#
- 2.Rexd6#
- 1...d5
- 2.Sxc5#
- 1...Kc6
- Tries
- 1.Re5?
- threat
- 2.Be8#
- 1...Kc6
- 2.Be8#
- 1...Se7
- 2.Rxd6#
- 1...Qxe5!
- threat
- 1.Re7+?
- 1...Kc6
- 2.Be8#
- 1...Sxe7
- 2.Rxd6#
- 1...Kxe7!
- 1...Kc6
- 1.Qa1?
- 1...Kc6
- 2.Be8#
- 1...Qxd2
- 2.Se5#
- 2.Qa4#
- 1...Qxb6
- 2.Se5#
- 1...Sxb6
- 2.Rdxd6#
- 1...Qh8
- 2.Qa4#
- 1...Qc1
- 2.Se5#
- 2.Qa4#
- 1...Qa3
- 2.Se5#
- 1...Qc3
- 2.Qa4#
- 1...Qd4
- 2.Qa4#
- 1...Qe5
- 2.Sxe5#
- 2.Qa4#
- 1...Qf6
- 2.Qa4#
- 1...Qg7
- 2.Qa4#
- 1...Qb1
- 2.Se5#
- 1...Qa2
- 2.Se5#
- 1...Qc2
- 2.Se5#
- 1...Qb3
- 2.Se5#
- 1...Qb4
- 2.Se5#
- 1...Qb5
- 2.Se5#
- 1...Sa7
- 2.Rdxd6#
- 1...Se7
- 2.Rdxd6#
- 2.Rexd6#
- 1...d5
- 2.Sxc5#
- 1...Qxa1!
- 1...Kc6
- 1.Qd1?
- 1...Kc6
- 2.Be8#
- 1...Qxd2
- 2.Se5#
- 2.Qa4#
- 1...Qxb6
- 2.Se5#
- 1...Sxb6
- 2.Rdxd6#
- 1...Qh8
- 2.Qa4#
- 1...Qc1
- 2.Se5#
- 2.Qa4#
- 1...Qa3
- 2.Se5#
- 1...Qc3
- 2.Qa4#
- 1...Qd4
- 2.Qa4#
- 1...Qe5
- 2.Sxe5#
- 2.Qa4#
- 1...Qf6
- 2.Qa4#
- 1...Qg7
- 2.Qa4#
- 1...Qb1
- 2.Se5#
- 1...Qa2
- 2.Se5#
- 1...Qc2
- 2.Se5#
- 1...Qb3
- 2.Se5#
- 1...Qb4
- 2.Se5#
- 1...Qb5
- 2.Se5#
- 1...Sa7
- 2.Rdxd6#
- 1...Se7
- 2.Rdxd6#
- 2.Rexd6#
- 1...d5
- 2.Sxc5#
- 1...Qa1!
- 1...Kc6
- 1.Qe1?
- threat
- 2.Be8#
- 1...Kc6
- 2.Be8#
- 1...Qe5
- 2.Sxe5#
- 1...Se7
- 2.Rdxd6#
- 2.Rexd6#
- 1...Qh8!
- threat
- 1.Qh3?
- threat
- 2.Be8#
- 1...Kc6
- 2.Be8#
- 1...Se7
- 2.Rdxd6#
- 2.Rexd6#
- 1...Qh8!
- threat
- 1.Qh8?
- threat
- 2.Qe8#
- 1...Kc6
- 2.Be8#
- 2.Qe8#
- 1...Qxh8!
- threat
- 1.f4?
- threat
- 2.Sxc5#
- 1...Qxb6
- 2.Se5#
- 1...Qa3
- 2.Se5#
- 1...Qe5
- 2.Sxe5#
- 1...Qb4
- 2.Se5#
- 1...Qb5
- 2.Se5#
- 1...Qd4!
- threat
- 1.Re5?
- Keys
- 1.Qb1!
- 1...Kc6
- 2.Be8#
- 1...Qxb1
- 2.Se5#
- 1...Qxd2
- 2.Se5#
- 2.Qb5#
- 1...Qxb6
- 2.Se5#
- 1...Sxb6
- 2.Rdxd6#
- 1...Qh8
- 2.Qb5#
- 1...Qa1
- 2.Qb5#
- 1...Qc1
- 2.Se5#
- 2.Qb5#
- 1...Qa3
- 2.Se5#
- 2.Qb5#
- 1...Qc3
- 2.Qb5#
- 1...Qd4
- 2.Qb5#
- 1...Qe5
- 2.Sxe5#
- 2.Qb5#
- 1...Qf6
- 2.Qb5#
- 1...Qg7
- 2.Qb5#
- 1...Qa2
- 2.Se5#
- 2.Qb5#
- 1...Qc2
- 2.Se5#
- 2.Qb5#
- 1...Qb3
- 2.Se5#
- 1...Qb4
- 2.Se5#
- 1...Qb5
- 2.Se5#
- 2.Qxb5#
- 1...Sa7
- 2.Rdxd6#
- 1...Se7
- 2.Rdxd6#
- 2.Rexd6#
- 1...d5
- 2.Sxc5#
- 1...Kc6
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- K(d);S_FLIGHT::B(J)
- Q(a);N_GUARD::S(E)
- Q(a);N_GUARD::S(E),XQ(a)
- Q(a);N_GUARD,XP(B)::S(E)
- Q(a);N_GUARD,P_PINS(H),XP(F)::S(E)
- S(e);N_GUARD,XP(F)::R1(C),XP(c)
- S(e);N_GUARD::R1(C),XP(c)
- P(c);::S(H),XP(b)
- Tries
- Try
- R(G);
- Threat
- B(J)
- Vars
- K(d);N_SPINP(c),S_FLIGHT::B(J)
- S(e);N_GUARD::R1(C),XP(c)
- Refutation
- Q(a);XR(G)
- Try
- R(G);CHECK
- Vars
- K(d);N_SPINP(c),S_FLIGHT::B(J)
- S(e);SBLOCK,XR(G)::R1(C),XP(c)
- Refutation
- K(d);N_SPINP(c),P-FLIGHT,XR(G)
- Try
- Q(A);
- Vars
- K(d);S_FLIGHT::B(J)
- Q(a);N_GUARD,P_PINS(H),XP(F)::S(E)
- S(e);N_GUARD,XP(F)::R1(C),XP(c)
- Q(a);N_GUARD::QAB(A)
- Q(a);N_GUARD::S(E)
- Q(a);N_GUARD,N_SPINP(c)::QAB(A)
- S(e);N_GUARD::R1(C),XP(c)
- P(c);::S(H),XP(b)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);
- Vars
- K(d);S_FLIGHT::B(J)
- Q(a);N_GUARD,P_PINS(H),XP(F)::S(E)
- S(e);N_GUARD,XP(F)::R1(C),XP(c)
- Q(a);N_GUARD::QAB(A)
- Q(a);N_GUARD::S(E)
- Q(a);N_GUARD,N_SPINP(c)::QAB(A)
- S(e);N_GUARD::R1(C),XP(c)
- P(c);::S(H),XP(b)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- B(J)
- Vars
- K(d);S_FLIGHT::B(J)
- Q(a);N_GUARD::S(E),XQ(a)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- B(J)
- Vars
- K(d);S_FLIGHT::B(J)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- Q(a);XQ(A)
- Try
- P(D);
- Threat
- S(H),XP(b)
- Vars
- Q(a);N_GUARD,P_PINS(H),XP(F)::S(E)
- Q(a);N_GUARD::S(E)
- Q(a);N_GUARD::S(E),XQ(a)
- Refutation
- Q(a);N_SPINP(c)
- Try
- Actual
- Q(A);
- Vars
- K(d);S_FLIGHT::B(J)
- Q(a);N_GUARD,XQ(A)::S(E)
- Q(a);N_GUARD,P_PINS(H),XP(F)::S(E)
- S(e);N_GUARD,XP(F)::R1(C),XP(c)
- Q(a);OGATE::QAB(A)
- Q(a);N_SPINP(c),OGATE::QAB(A)
- Q(a);N_GUARD::S(E)
- S(e);N_GUARD::R1(C),XP(c)
- P(c);::S(H),XP(b)
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).