MESON Chess Problem Database
Problem Display
PID: 150694 (4r3/p1BR1Qp1/K1p1pbB1/5N1r/3Pk3/2PN3R/2PPq3/8 w - - 0 1)
Adabashev, Mark Ivanovich
Schackvarlden, 1935
#2
12 + 9
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sf2#
- 2.Sc5#
- 2.Re3#
- 1...Qf1
- 2.Re3#
- 1...Qxd3+
- 2.cxd3#
- 1...Qf3
- 2.Sc5#
- 2.Sg3#
- 1...Qg4
- 2.Sf2#
- 2.Sc5#
- 2.Re3#
- 1...Qe1
- 2.Sc5#
- 1...Qxd2
- 2.Sc5#
- 1...Qf2
- 2.Sxf2#
- 2.Sc5#
- 1...Qg2
- 2.Sc5#
- 2.Re3#
- 1...Qh2
- 2.Sc5#
- 2.Re3#
- 1...Qe3
- 2.Sc5#
- 2.Rxe3#
- 1...Rxh3
- 2.Sh4#
- 1...Rh4
- 2.Se3#
- 2.Sxh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rh6
- 2.Sxh6#
- 1...Rh7
- 2.Se3#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rhh8
- 2.Se3#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Bxd4
- 2.Sg3#
- 2.Rxd4#
- 1...Bh4
- 2.Sg3#
- 1...Be5
- 2.Sg3#
- 1...Bg5
- 2.Se3#
- 2.Sg3#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Be7
- 2.Sg3#
- 2.Qxe6#
- 1...Bd8
- 2.Sg3#
- 1...e5
- 2.Sd6#
- 1...Qd1
- Tries
- 1.Kxa7?
- threat
- 2.Sc5#
- 1...Bxd4+
- 2.Rxd4#
- 1...Qxd3
- 2.cxd3#
- 1...Rxh3
- 2.Sh4#
- 1...Be5
- 2.Sg3#
- 1...Be7
- 2.Sg3#
- 2.Qxe6#
- 1...c5
- 2.Sxc5#
- 1...e5
- 2.Sd6#
- 1...Ra8+!
- threat
- 1.Kb7?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.cxd3#
- 1...Rxh3
- 2.Sh4#
- 1...Bxd4
- 2.Sg3#
- 2.Rxd4#
- 1...Be5
- 2.Sg3#
- 1...Be7
- 2.Sg3#
- 2.Qxe6#
- 1...c5
- 2.Sxc5#
- 1...e5
- 2.Sd6#
- 1...Rb8+!
- threat
- 1.Qxe6+?
- 1...Be5
- 2.Sd6#
- 2.Qxc6#
- 1...Rxe6!
- 1...Be5
- 1.Qxf6?
- threat
- 2.Sg3#
- 2.Qe5#
- 1...Qxd3+
- 2.cxd3#
- 1...Qxd2
- 2.Sc5#
- 2.Qe5#
- 1...Rxh3
- 2.Se3#
- 2.Sg3#
- 2.Sh4#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rxf5
- 2.Qe5#
- 1...exf5
- 2.Qxc6#
- 1...Qh2
- 2.Sc5#
- 2.Sg3#
- 2.Re3#
- 1...e5
- 2.Sg3#
- 2.Qxc6#
- 1...gxf6!
- threat
- 1.c4?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.cxd3#
- 1...Rxh3
- 2.Sh4#
- 1...Bxd4
- 2.Sg3#
- 2.Sd6#
- 2.Rxd4#
- 1...Be5
- 2.Sg3#
- 1...Be7
- 2.Sg3#
- 2.Qxe6#
- 1...c5
- 2.Sxc5#
- 1...e5!
- threat
- 1.Kxa7?
- Keys
- 1.Ka5!
- threat
- 2.Sc5#
- 1...Qxd3
- 2.cxd3#
- 1...Rxh3
- 2.Sh4#
- 1...Bxd4
- 2.Rxd4#
- 1...Be5
- 2.Sg3#
- 1...Be7
- 2.Qxe6#
- 1...c5
- 2.Sxc5#
- 1...e5
- 2.Sd6#
- threat
- 1.Ka5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD::R1(E)
- Q(a);CHECK,OGATE,XS(D)::P(A),XQ(a)
- Q(a);N_PINS(D)::S(D)
- Q(a);N_PINS(D),XP(B)::S(D)
- R(c);N_GUARD,XR(E)::B(I)+S(G)
- R(c);N_GUARD::B(I)+S(G),XR(c)
- B(f);::B(I)+S(G),DCHECK
- P(e);::B(I)+S(G),DCHECK
- Tries
- Try
- K(H);N_SPINS(D),P-FLIGHT,XP(g)
- Threat
- S(D)
- Vars
- B(f);CHECK,OGATE,XP(F)::R1(K),XB(f)
- Q(a);OGATE,XS(D)::P(A),XQ(a)
- R(c);N_GUARD,XR(E)::B(I)+S(G)
- B(f);::B(I)+S(G),DCHECK
- P(d);::S(D),XP(d)
- P(e);::B(I)+S(G),DCHECK
- Refutation
- R(i);CHECK
- Try
- K(H);N_SPINS(D),S_FLIGHT
- Threat
- S(D)
- Vars
- Q(a);OGATE,XS(D)::P(A),XQ(a)
- R(c);N_GUARD,XR(E)::B(I)+S(G)
- B(f);::B(I)+S(G),DCHECK
- P(d);::S(D),XP(d)
- P(e);::B(I)+S(G),DCHECK
- Refutation
- R(i);CHECK
- Try
- Q(L);CHECK,XP(e)
- Refutation
- R(i);XQ(L)
- Try
- Q(L);XB(f)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(D)::P(A),XQ(a)
- R(c);P_SPINR(c),XS(G)::QAR1(L)
- P(e);OGATE,P_SPINP(e),XS(G)::QAB(L),XP(d)
- Refutation
- P(h);XQ(L)
- Try
- P(C);N_SPINS(D)
- Threat
- S(D)
- Vars
- Q(a);OGATE,P_PINP(C),XS(D)::P(A),XQ(a)
- R(c);N_GUARD,XR(E)::B(I)+S(G)
- B(f);::B(I)+S(G),DCHECK
- P(d);::S(D),XP(d)
- Refutation
- P(e);
- Try
- Actual
- K(H);N_SPINS(D),P-FLIGHT,P_SPINS(G)
- Threat
- S(D)
- Vars
- Q(a);OGATE,XS(D)::P(A),XQ(a)
- R(c);N_PINS(G),XR(E)::B(I)+S(G)
- B(f);OGATE,XP(F)::R1(K),XB(f)
- B(f);N_PINS(G)::B(I)+S(G),DCHECK
- B(f);N_GUARD,S_CUTR(i)::QAR2(L),XP(e)
- P(d);N_PINS(G)::S(D),XP(d)
- P(e);N_PINS(G)::B(I)+S(G),DCHECK
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).