MESON Chess Problem Database
Problem Display
PID: 164339 (1b3q2/1Nn5/2nPp3/2P1k1P1/5NQ1/BP4P1/3P1K2/7B w - - 0 1)
Pushkin, Sergey
Novi Temi, 1978
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Bb2#
- 1...Qxd6
- 2.Sg6#
- 1...Qh6
- 2.Sd3#
- 1...Qe7
- 2.Sd3#
- 2.Sg6#
- 1...Qg7
- 2.Sd3#
- 1...Qxf4+
- 2.Qxf4#
- 1...Qc8
- 2.Sd3#
- 2.Sg6#
- 1...Qd8
- 2.Sd3#
- 2.Sg6#
- 1...Qe8
- 2.Sd3#
- 1...Qg8
- 2.Sd3#
- 1...Qh8
- 2.Sd3#
- 2.Sg6#
- 1...Sb4
- 2.Bb2#
- 1...Sa5
- 2.Bb2#
- 1...Sa7
- 2.Bb2#
- 1...Se7
- 2.Bb2#
- 1...Sd8
- 2.Bb2#
- 1...Kd4
- Tries
- 1.Ke1?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Kd4
- 2.Bb2#
- 1...Qxd6
- 2.Sg6#
- 1...Qxf4
- 2.Qxf4#
- 1...Qh6
- 2.Sd3#
- 1...Qg7
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qf7
- 2.Sd3#
- 1...Qe8
- 2.Sd3#
- 1...Qg8
- 2.Sd3#
- 1...Sb4
- 2.Sg6#
- 2.Bb2#
- 1...Se7
- 2.Sd3#
- 2.Bb2#
- 1...Qf5!
- threat
- 1.Kg1?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Kd4
- 2.Bb2#
- 1...Qxd6
- 2.Sg6#
- 1...Qxf4
- 2.Qxf4#
- 1...Qh6
- 2.Sd3#
- 1...Qg7
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qf7
- 2.Sd3#
- 1...Qe8
- 2.Sd3#
- 1...Qg8
- 2.Sd3#
- 1...Sb4
- 2.Sg6#
- 2.Bb2#
- 1...Se7
- 2.Sd3#
- 2.Bb2#
- 1...Qf5!
- threat
- 1.Sd8?
- threat
- 2.Sxc6#
- 1...Qxf4+
- 2.Qxf4#
- 1...Kd4
- 2.Sxc6#
- 1...Qxd6
- 2.Sg6#
- 1...Qxd8
- 2.Sd3#
- 2.Sg6#
- 1...Sxd8
- 2.Bb2#
- 1...Qe8
- 2.Sd3#
- 1...Sb4
- 2.Bb2#
- 1...Sa5
- 2.Bb2#
- 1...Sa7
- 2.Bb2#
- 1...Se7
- 2.Bb2#
- 1...Sd4!
- threat
- 1.Bf3?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Kd4
- 2.Bb2#
- 1...Qxd6
- 2.Sg6#
- 1...Qxf4
- 2.Qxf4#
- 1...Qh6
- 2.Sd3#
- 1...Qg7
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qf7
- 2.Sd3#
- 1...Qe8
- 2.Sd3#
- 1...Qg8
- 2.Sd3#
- 1...Sb4
- 2.Sg6#
- 2.Bb2#
- 1...Se7
- 2.Sd3#
- 2.Bb2#
- 1...Qf5!
- threat
- 1.Qe2+?
- 1...Kd4
- 2.Bb2#
- 2.Qe3#
- 2.Qe4#
- 1...Kf5!
- 1...Kd4
- 1.Qxe6+?
- 1...Kd4
- 2.Bb2#
- 2.Qe3#
- 2.Qe4#
- 1...Sxe6!
- 1...Kd4
- 1.d4+?
- 1...Kxd4
- 2.Bb2#
- 1...Sxd4!
- 1...Kxd4
- 1.Ke1?
- Keys
- 1.Sa5!
- threat
- 2.Sxc6#
- 1...Qxf4+
- 2.Qxf4#
- 1...Kd4
- 2.Sxc6#
- 1...Qxd6
- 2.Sg6#
- 1...Sxa5
- 2.Bb2#
- 1...Qe8
- 2.Sd3#
- 1...Sb4
- 2.Bb2#
- 1...Sd4
- 2.Sc4#
- 1...Sa7
- 2.Bb2#
- 1...Se7
- 2.Bb2#
- 1...Sd8
- 2.Bb2#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- K(a);S_FLIGHT::B(D)
- Q(f);N_PINS(G),XP(K)::S(G)
- Q(f);N_PINS(G)::S(G)
- Q(f);CHECK,OGATE,XS(G)::QAB1(H),XQ(f)
- S(b);N_GUARD::B(D)
- Tries
- Try
- K(C);N_SPINS(G),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::B(D)
- Q(f);XP(K)::S(G)
- Q(f);OGATE,XS(G)::QAB1(H),XQ(f)
- Q(f);::S(G)
- Refutation
- Q(f);
- Try
- K(C);N_SPINS(G),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::B(D)
- Q(f);XP(K)::S(G)
- Q(f);OGATE,XS(G)::QAB1(H),XQ(f)
- Q(f);::S(G)
- Refutation
- Q(f);
- Try
- S(L);
- Threat
- S(L),XS(b)
- Vars
- Q(f);CHECK,OGATE,XS(G)::QAB1(H),XQ(f)
- K(a);S_FLIGHT::S(L),XS(b)
- Q(f);N_PINS(G),XP(K)::S(G)
- S(b);N_GUARD,XS(L)::B(D)
- Q(f);N_PINS(G)::S(G)
- S(b);N_GUARD::B(D)
- Refutation
- S(b);
- Try
- B(A);N_SPINS(G)
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::B(D)
- Q(f);XP(K)::S(G)
- Q(f);OGATE,P_PINB(A),XS(G)::QAB1(H),XQ(f)
- Q(f);::S(G)
- Refutation
- Q(f);
- Try
- Q(H);CHECK
- Refutation
- K(a);N_PINS(G),P-FLIGHT
- Try
- Q(H);CHECK,XP(c)
- Refutation
- S(d);XQ(H)
- Try
- P(B);CHECK
- Vars
- K(a);S_FLIGHT,XP(B)::B(D)
- Refutation
- S(b);XP(B)
- Try
- Actual
- S(L);
- Threat
- S(L),XS(b)
- Vars
- Q(f);CHECK,OGATE,XS(G)::QAB1(H),XQ(f)
- K(a);S_FLIGHT::S(L),XS(b)
- Q(f);N_PINS(G),XP(K)::S(G)
- S(b);N_GUARD,XS(L)::B(D)
- Q(f);N_PINS(G)::S(G)
- S(b);N_GUARD::B(D)
- S(b);SBLOCK::S(L)
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).