MESON Chess Problem Database
Problem Display
PID: 245449 (3rRr2/8/4n2B/2np1p1b/qN1RBp1N/2P1k1pp/3pP1Q1/4bK2 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
idee & form, 2011
#2
10 + 14
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Sxc2#
- 1...Qb5
- 2.Sc2#
- 1...Qc6
- 2.Sc2#
- 1...Qd7
- 2.Sc2#
- 1...Qxe8
- 2.Sc2#
- 1...Qa1
- 2.Sc2#
- 1...Qa3
- 2.Sc2#
- 1...Qa5
- 2.Sc2#
- 1...Qa6
- 2.Sc2#
- 1...Qa7
- 2.Sc2#
- 1...Qa8
- 2.Sc2#
- 1...Ra8
- 2.Sxd5#
- 1...Rb8
- 2.Sxd5#
- 1...Rc8
- 2.Sxd5#
- 1...Rdxe8
- 2.Sxd5#
- 1...Rfxe8
- 2.Sxf5#
- 1...Rg8
- 2.Sxf5#
- 1...Rh8
- 2.Sxf5#
- 1...Bxe2+
- 2.Qxe2#
- 1...Bf3
- 2.Qxf3#
- 1...Bg6
- 2.Qf3#
- 1...Bf7
- 2.Sxf5#
- 2.Qf3#
- 1...Bxe8
- 2.Qf3#
- 1...Sb3
- 2.Sc2#
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sxe4
- 2.Rd3#
- 1...Sa6
- 2.Rd3#
- 1...Sb7
- 2.Rd3#
- 1...Sd7
- 2.Sxd5#
- 2.Rd3#
- 1...hxg2+
- 2.Sxg2#
- 1...Qc2
- Tries
- 1.Bc2?
- threat
- 2.Bxf4#
- 1...Bxe2+
- 2.Qxe2#
- 1...hxg2+
- 2.Sxg2#
- 1...Rdxe8
- 2.Sxd5#
- 1...Rfxe8
- 2.Sxf5#
- 1...Bxe8
- 2.Qf3#
- 1...Sd3
- 2.Rxd3#
- 1...Se4
- 2.Rd3#
- 1...Qxe8!
- threat
- 1.Bd3?
- threat
- 2.Bxf4#
- 1...Bxe2+
- 2.Qxe2#
- 1...hxg2+
- 2.Sxg2#
- 1...Qxe8
- 2.Sc2#
- 1...Rdxe8
- 2.Sxd5#
- 1...Rfxe8
- 2.Sxf5#
- 1...Bxe8
- 2.Qf3#
- 1...Sxd3
- 2.Rxd3#
- 1...Se4!
- threat
- 1.Bf3?
- threat
- 2.Bxf4#
- 1...hxg2+
- 2.Sxg2#
- 1...Qxe8
- 2.Sc2#
- 1...Rdxe8
- 2.Sxd5#
- 1...Rfxe8
- 2.Sxf5#
- 1...Sd3
- 2.Rxd3#
- 1...Se4
- 2.Rd3#
- 1...Bxe8!
- threat
- 1.Bxd5?
- threat
- 2.Bxf4#
- 1...Bxe2+
- 2.Qxe2#
- 1...hxg2+
- 2.Sxg2#
- 1...Qxe8
- 2.Sc2#
- 1...Rfxe8
- 2.Sxf5#
- 1...Bxe8
- 2.Qf3#
- 1...Sd3
- 2.Rxd3#
- 1...Se4
- 2.Rd3#
- 1...Rdxe8!
- threat
- 1.Bxf5?
- threat
- 2.Bxf4#
- 1...Bxe2+
- 2.Qxe2#
- 1...hxg2+
- 2.Sxg2#
- 1...Qxe8
- 2.Sc2#
- 1...Rdxe8
- 2.Sxd5#
- 1...Rxf5
- 2.Sxf5#
- 1...Bxe8
- 2.Qf3#
- 1...Sd3
- 2.Rxd3#
- 1...Se4
- 2.Rd3#
- 1...Rfxe8!
- threat
- 1.Qxg3+?
- 1...Bf3
- 2.Qxf3#
- 1...Bxg3!
- 1...Bf3
- 1.Bc2?
- Keys
- 1.Bb1!
- threat
- 2.Bxf4#
- 1...Bxe2+
- 2.Qxe2#
- 1...hxg2+
- 2.Sxg2#
- 1...Qxe8
- 2.Sc2#
- 1...Rdxe8
- 2.Sxd5#
- 1...Rfxe8
- 2.Sxf5#
- 1...Bxe8
- 2.Qf3#
- 1...Sd3
- 2.Rxd3#
- 1...Se4
- 2.Rd3#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- Q(f);N_GUARD::S(E),XQ(f)
- Q(f);N_GUARD,P_PINP(B)::S(E)
- Q(f);N_GUARD::S(E)
- Q(f);N_GUARD,XR(J)::S(E)
- R(m);N_GUARD::S(E),XP(i)
- R(m);N_GUARD,XR(J)::S(E),XP(i)
- R(n);N_GUARD,XR(J)::S(H),XP(j)
- R(n);N_GUARD::S(H),XP(j)
- B(k);CHECK,OGATE,XP(B)::QAR1(C),XB(k)
- B(k);N_GUARD::QAR1(C),XB(k)
- B(k);N_GUARD::QAR1(C)
- B(k);N_GUARD,XR(J)::QAR1(C)
- S(h);N_GUARD::R1(F),XS(h)
- S(h);N_GUARD,XB(G)::R1(F)
- S(h);N_GUARD::R1(F)
- P(e);CHECK,XQ(C)::S(H),XP(e)
- Tries
- Try
- B(G);P_PINS(l)
- Threat
- B(I),XP(g)
- Vars
- B(k);CHECK,OGATE,XP(B)::QAR1(C),XB(k)
- P(e);CHECK,XQ(C)::S(H),XP(e)
- R(m);N_GUARD,N_SPINS(l),XR(J)::S(E),XP(i)
- R(n);N_GUARD,N_SPINS(l),XR(J)::S(H),XP(j)
- B(k);N_GUARD,N_SPINS(l),XR(J)::QAR1(C)
- S(h);N_GUARD::R1(F),XS(h)
- S(h);N_GUARD,N_SPINS(l)::R1(F)
- Refutation
- Q(f);N_SPINS(l),XR(J)
- Try
- B(G);P_PINS(l)
- Threat
- B(I),XP(g)
- Vars
- B(k);CHECK,OGATE,XP(B)::QAR1(C),XB(k)
- P(e);CHECK,XQ(C)::S(H),XP(e)
- Q(f);N_GUARD,N_SPINS(l),XR(J)::S(E)
- R(m);N_GUARD,N_SPINS(l),XR(J)::S(E),XP(i)
- R(n);N_GUARD,N_SPINS(l),XR(J)::S(H),XP(j)
- B(k);N_GUARD,N_SPINS(l),XR(J)::QAR1(C)
- S(h);OGATE,XB(G)::R1(F),XS(h)
- Refutation
- S(h);N_SPINS(l)
- Try
- B(G);P_PINS(l)
- Threat
- B(I),XP(g)
- Vars
- P(e);CHECK,XQ(C)::S(H),XP(e)
- Q(f);N_GUARD,N_SPINS(l),XR(J)::S(E)
- R(m);N_GUARD,N_SPINS(l),XR(J)::S(E),XP(i)
- R(n);N_GUARD,N_SPINS(l),XR(J)::S(H),XP(j)
- S(h);N_GUARD::R1(F),XS(h)
- S(h);N_GUARD,N_SPINS(l)::R1(F)
- Refutation
- B(k);N_SPINS(l),XR(J)
- Try
- B(G);P_PINS(l),XP(i)
- Threat
- B(I),XP(g)
- Vars
- B(k);CHECK,OGATE,XP(B)::QAR1(C),XB(k)
- P(e);CHECK,XQ(C)::S(H),XP(e)
- Q(f);N_GUARD,N_SPINS(l),XR(J)::S(E)
- R(n);N_GUARD,N_SPINS(l),XR(J)::S(H),XP(j)
- B(k);N_GUARD,N_SPINS(l),XR(J)::QAR1(C)
- S(h);N_GUARD::R1(F),XS(h)
- S(h);N_GUARD,N_SPINS(l)::R1(F)
- Refutation
- R(m);N_SPINS(l),XR(J)
- Try
- B(G);P_PINS(l),XP(j)
- Threat
- B(I),XP(g)
- Vars
- B(k);CHECK,OGATE,XP(B)::QAR1(C),XB(k)
- P(e);CHECK,XQ(C)::S(H),XP(e)
- Q(f);N_GUARD,N_SPINS(l),XR(J)::S(E)
- R(m);N_GUARD,N_SPINS(l),XR(J)::S(E),XP(i)
- R(n);XB(G)::S(H),XR(n)
- B(k);N_GUARD,N_SPINS(l),XR(J)::QAR1(C)
- S(h);N_GUARD::R1(F),XS(h)
- S(h);N_GUARD,N_SPINS(l)::R1(F)
- Refutation
- R(n);N_SPINS(l),XR(J)
- Try
- Q(C);CHECK,XP(d)
- Vars
- B(k);N_GUARD,P_SPINB(k)::QAR1(C),XB(k)
- Refutation
- B(a);XQ(C)
- Try
- Actual
- B(G);P_PINS(l)
- Threat
- B(I),XP(g)
- Vars
- B(k);CHECK,OGATE,XP(B)::QAR1(C),XB(k)
- P(e);CHECK,XQ(C)::S(H),XP(e)
- Q(f);N_GUARD,N_SPINS(l),XR(J)::S(E)
- R(m);N_GUARD,N_SPINS(l),XR(J)::S(E),XP(i)
- R(n);N_GUARD,N_SPINS(l),XR(J)::S(H),XP(j)
- B(k);N_GUARD,N_SPINS(l),XR(J)::QAR1(C)
- S(h);N_GUARD::R1(F),XS(h)
- S(h);N_GUARD,N_SPINS(l)::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).