MESON Chess Problem Database
Problem Display
PID: 243720 (b1R4B/5pQ1/1p1p4/1pN1P3/2knP3/P1rN4/KP5r/2R1bB2 w - - 0 1)
Baturin, Aleksandr Adrianovich
Shakhmaty v SSSR, 1938
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxb2+
- 2.Sxb2#
- 1...Rd2
- 2.Rxc3#
- 1...Bf2
- 2.Rxc3#
- 1...Bg3
- 2.Rxc3#
- 1...Bh4
- 2.Rxc3#
- 1...dxe5
- 2.Sxe5#
- 1...Rxb2+
- Tries
- 1.Sxe1+?
- 1...Re2
- 2.Rxc3#
- 1...Se2!
- 1...Re2
- 1.Sb3+?
- 1...Sc6
- 2.Sf2#
- 1...Bc6!
- 1...Sc6
- 1.Sa4+?
- 1...Bc6
- 2.Sxb6#
- 1...Sc6!
- 1...Bc6
- 1.Se6+?
- 1...Sc6
- 2.Sf2#
- 1...Bc6!
- 1...Sc6
- 1.Sd7+?
- 1...Bc6
- 2.Sxb6#
- 1...Sc6!
- 1...Bc6
- 1.e6?
- threat
- 2.Se5#
- 2.Qxd4#
- 1...Rxb2+
- 2.Sxb2#
- 1...Rxh8
- 2.Se5#
- 1...Bxe4
- 2.Qxd4#
- 1...Sxe6
- 2.Sf2#
- 1...b4
- 2.Se5#
- 1...Se2
- 2.b3#
- 1...Re2
- 2.Qxd4#
- 1...Bf2
- 2.Se5#
- 2.Rxc3#
- 1...Bc6
- 2.Qxd4#
- 1...Sc2
- 2.Sb7#
- 1...Sb3
- 2.Sf2#
- 1...Sf3
- 2.Sf2#
- 2.Sb7#
- 1...Sf5
- 2.Sf2#
- 2.Sb7#
- 1...f6
- 2.Se5#
- 1...Sc6!
- threat
- 1.Sxe1+?
- Keys
- 1.exd6!
- threat
- 2.Se5#
- 2.Qxd4#
- 1...Rxb2+
- 2.Sxb2#
- 1...Rxh8
- 2.Se5#
- 1...Bxe4
- 2.Qxd4#
- 1...b4
- 2.Se5#
- 1...Se2
- 2.b3#
- 1...Bf2
- 2.Se5#
- 2.Rxc3#
- 1...Bc6
- 2.Qxd4#
- 1...Sc2
- 2.Sb7#
- 1...Sb3
- 2.Sf2#
- 1...Sf3
- 2.Sf2#
- 2.Sb7#
- 1...Sf5
- 2.Sf2#
- 2.Sb7#
- 1...Sc6
- 2.Qxf7#
- 1...Se6
- 2.Sf2#
- 1...f6
- 2.Se5#
- threat
- 1.exd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 5
- Sets
- R(b);CHECK,XP(D)::B(B)+S(F),DCHECK,XR(b)
- R(b);S_CUTB(a)::R1(A),XR(c)
- B(a);N_GUARD,N_PINP(D)::R1(A),XR(c)
- B(a);N_GUARD::R1(A),XR(c)
- P(h);XP(I)::B(B)+S(F),DCHECK,XP(h)
- Tries
- Try
- S(F);CHECK,XB(a)
- Vars
- R(b);N_SPINR(c),P_SPINR(b)::R1(A),XR(c)
- Refutation
- S(e);N_PINP(D),P_SPINS(e)
- Try
- S(H);CHECK
- Vars
- S(e);P_SPINS(e)::B(B)+S(F)
- Refutation
- B(j);P_SPINB(j)
- Try
- S(H);CHECK
- Vars
- B(j);P_SPINB(j)::S(H),XP(g)
- Refutation
- S(e);P_SPINS(e)
- Try
- S(H);CHECK
- Vars
- S(e);P_SPINS(e)::B(B)+S(F)
- Refutation
- B(j);P_SPINB(j)
- Try
- S(H);CHECK
- Vars
- B(j);P_SPINB(j)::S(H),XP(g)
- Refutation
- S(e);P_SPINS(e)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,XP(D)::B(B)+S(F),DCHECK,XR(b)
- R(b);N_PINP(D),XB(L)::B(B)+S(F),DCHECK
- B(j);XP(G)::QAR1(J),XS(e)
- S(e);N_GUARD,XP(I)::B(B)+S(F)
- P(f);::B(B)+S(F),DCHECK
- S(e);N_PINP(D)::P(D)
- R(b);::QAR1(J),XS(e)
- B(j);::QAR1(J),XS(e)
- S(e);N_GUARD,N_PINP(D),N_SPINR(c)::R(K)+S(H)
- S(e);N_GUARD::B(B)+S(F)
- P(i);::B(B)+S(F),DCHECK
- Refutation
- S(e);
- Try
- Actual
- P(I);XP(h)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,XP(D)::B(B)+S(F),DCHECK,XR(b)
- R(b);N_PINP(D),XB(L)::B(B)+S(F),DCHECK
- B(j);XP(G)::QAR1(J),XS(e)
- P(f);::B(B)+S(F),DCHECK
- S(e);N_PINP(D)::P(D)
- B(j);::QAR1(J),XS(e)
- S(e);N_GUARD,N_PINP(D),N_SPINR(c)::R(K)+S(H)
- S(e);N_GUARD::B(B)+S(F)
- S(e);N_GUARD,S_CUTB(j)::QAB(J),XP(i)
- P(i);::B(B)+S(F),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).