MESON Chess Problem Database
Problem Display
PID: 179429 (6b1/qn1Rr3/p2n4/8/1N1kpQp1/1PR3K1/1b1B2N1/8 w - - 0 1)
Adabashev, Mark Ivanovich
64 Shakhmatnoe obozrenie, 1928
#2
8 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Rd3#
- 1...Re5
- 2.Qe3#
- 1...Re6
- 2.Rc4#
- 1...Rxd7
- 2.Qf6#
- 1...Rf7
- 2.Rc4#
- 1...Rg7
- 2.Qf6#
- 1...Rh7
- 2.Qf6#
- 1...Bxc3
- 2.Be3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd5
- 2.Sc2#
- 1...Be6
- 2.Qf6#
- 1...Bh7
- 2.Rc4#
- 1...Qc5
- Tries
- 1.Se1?
- threat
- 2.Sec2#
- 1...Bxc3
- 2.Be3#
- 1...Bc4
- 2.Rxc4#
- 1...Bxb3!
- threat
- 1.Se3?
- threat
- 2.Sec2#
- 2.Sf5#
- 2.Sbc2#
- 2.Sc6#
- 1...Rxd7
- 2.Sec2#
- 2.Sbc2#
- 2.Sc6#
- 2.Qf6#
- 1...Bxb3
- 2.Sf5#
- 2.Sc6#
- 1...Bc4
- 2.Rxc4#
- 1...Qc5
- 2.Sec2#
- 2.Sbc2#
- 2.Rd3#
- 1...Qb6
- 2.Sec2#
- 2.Sf5#
- 2.Sbc2#
- 1...Re5
- 2.Sec2#
- 2.Sbc2#
- 2.Sc6#
- 1...Rf7
- 2.Sec2#
- 2.Sbc2#
- 2.Sc6#
- 2.Rc4#
- 1...Bd5
- 2.Sec2#
- 2.Sbc2#
- 1...Be6
- 2.Sec2#
- 2.Sbc2#
- 2.Sc6#
- 2.Qf6#
- 1...Bh7
- 2.Sec2#
- 2.Sbc2#
- 2.Sc6#
- 2.Rc4#
- 1...Sa5
- 2.Sec2#
- 2.Sf5#
- 2.Sbc2#
- 1...Sd8
- 2.Sec2#
- 2.Sf5#
- 2.Sbc2#
- 1...Bxc3!
- threat
- 1.Rxd6+?
- 1...Bd5
- 2.Sc2#
- 2.Sc6#
- 2.Rc4#
- 2.Rxd5#
- 1...Sxd6!
- 1...Bd5
- 1.Qg5?
- threat
- 2.Sc2#
- 2.Sc6#
- 1...Bxc3
- 2.Be3#
- 1...Bxb3
- 2.Sc6#
- 1...Qc5
- 2.Sc2#
- 1...Qb6
- 2.Sc2#
- 1...Re5
- 2.Qe3#
- 1...Bd5
- 2.Sc2#
- 2.Qxd5#
- 1...Sa5
- 2.Sc2#
- 1...Sd8
- 2.Sc2#
- 1...e3!
- threat
- 1.Qxd6+?
- 1...Bd5
- 2.Sc2#
- 2.Sc6#
- 2.Rc4#
- 2.Qxd5#
- 1...Sxd6!
- 1...Bd5
- 1.Qf5?
- threat
- 2.Sc2#
- 2.Sc6#
- 1...Bxc3
- 2.Be3#
- 1...Bxb3
- 2.Sc6#
- 1...Qc5
- 2.Sc2#
- 1...Qb6
- 2.Sc2#
- 1...Bd5
- 2.Sc2#
- 2.Qxd5#
- 1...Sa5
- 2.Sc2#
- 1...Sd8
- 2.Sc2#
- 1...Re5!
- threat
- 1.Se1?
- Keys
- 1.Sh4!
- threat
- 2.Sf5#
- 1...Rxd7
- 2.Qf6#
- 1...Bxc3
- 2.Be3#
- 1...Bc4
- 2.Rxc4#
- 1...Qc5
- 2.Rd3#
- 1...Re5
- 2.Qe3#
- 1...Rf7
- 2.Rc4#
- 1...Bd5
- 2.Sc2#
- 1...Be6
- 2.Qf6#
- 1...Bh7
- 2.Rc4#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(g);SBLOCK::R1(D)
- R(i);SBLOCK::QAB1(G)
- R(i);S_CUTB(j)::R1(D)
- R(i);N_GUARD,N_SPINS(f),XR(H)::QAB(G)
- R(i);N_GUARD::QAB(G)
- B(a);SBLOCK,XR(D)::B(A)
- B(j);N_GUARD::R1(D),XB(j)
- B(j);N_SPINS(f),SBLOCK::S(F)
- B(j);S_CUTR(i)::QAB(G)
- B(j);N_GUARD::R1(D)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- B(a);SBLOCK,XR(D)::B(A)
- B(j);N_GUARD::R1(D),XB(j)
- Refutation
- B(j);XP(C)
- Try
- S(B);
- Threat
- DUALS(4)
- Vars
- B(j);N_GUARD::R1(D),XB(j)
- Refutation
- B(a);XR(D)
- Try
- R(H);CHECK,XS(f)
- Refutation
- S(h);XR(H)
- Try
- Q(G);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- B(a);SBLOCK,XR(D)::B(A)
- B(j);XP(C)::S(F)
- Q(g);::S(F)
- R(i);SBLOCK::QAB1(G)
- S(h);::S(F)
- Refutation
- P(c);
- Try
- Q(G);CHECK,N_PINP(c),XS(f)
- Refutation
- S(h);P_SPINS(h),XQ(G)
- Try
- Q(G);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- B(a);SBLOCK,XR(D)::B(A)
- B(j);XP(C)::S(F)
- Q(g);::S(F)
- S(h);::S(F)
- Refutation
- R(i);
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- R(i);N_GUARD,N_SPINS(f),XR(H)::QAB(G)
- B(a);SBLOCK,XR(D)::B(A)
- B(j);N_GUARD::R1(D),XB(j)
- Q(g);SBLOCK::R1(D)
- R(i);SBLOCK::QAB1(G)
- R(i);S_CUTB(j)::R1(D)
- B(j);N_SPINS(f),SBLOCK::S(F)
- B(j);S_CUTR(i)::QAB(G)
- B(j);N_GUARD::R1(D)
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).