MESON Chess Problem Database
Problem Display
PID: 27498 (7K/N4b1B/R4p2/3k1n2/R2P1r2/8/N6B/3nQ3 w - - 0 1)
Dombrovskis, Alfreds A
1/2 Prize, Platov MT, 1954-1955
#2
9 + 6
| 2988 | Izbrannie Kompozitsi | 1985 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.R6a5#
- 1...Rf2
- 2.R6a5#
- 1...Rf3
- 2.R6a5#
- 1...Rxd4
- 2.R6a5#
- 1...Re4
- 2.Qa5#
- 1...Rg4
- 2.R6a5#
- 1...Rh4
- 2.R6a5#
- 1...Bh5
- 2.Qe6#
- 1...Be6
- 2.Qxe6#
- 1...Bg6
- 2.Qe6#
- 1...Be8
- 2.Qe6#
- 1...Bg8
- 2.Bxg8#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sde3
- 2.Sc3#
- 1...Sfe3
- 2.Qa5#
- 1...Sg3
- 2.Qa5#
- 1...Sh4
- 2.Qa5#
- 1...Sh6
- 2.Qa5#
- 1...Se7
- 2.Qa5#
- 1...Sg7
- 2.Qa5#
- 1...Rf1
- Tries
- 1.Bxf4?
- threat
- 2.R6a5#
- 2.Qh1#
- 1...Sde3
- 2.Sc3#
- 1...Bh5
- 2.R6a5#
- 2.Qe6#
- 1...Be8
- 2.Qh1#
- 2.Qe6#
- 1...Sf2
- 2.Sc3#
- 2.R6a5#
- 1...Sc3
- 2.Sxc3#
- 1...Sfe3
- 2.Rd6#
- 2.Qa5#
- 1...Sg3
- 2.R6a5#
- 2.Rd6#
- 2.Qa5#
- 1...Sh4
- 2.Be4#
- 2.R6a5#
- 2.Rd6#
- 2.Qa5#
- 2.Qe4#
- 1...Sd6
- 2.Rxd6#
- 1...Sxd4!
- threat
- 1.Bxf5?
- threat
- 2.Qa5#
- 1...Rxf5
- 2.R6a5#
- 2.Rd6#
- 1...Be8
- 2.Be6#
- 2.Qe6#
- 1...Sc3
- 2.Sxc3#
- 1...Rh4+!
- threat
- 1.Rxf6?
- threat
- 2.Qe5#
- 1...Sde3
- 2.Sc3#
- 1...Re4
- 2.Qa5#
- 1...Sfe3
- 2.Qa5#
- 1...Sxd4!
- threat
- 1.Qh1+?
- 1...Rf3
- 2.Qxf3#
- 1...Re4!
- 1...Rf3
- 1.Qe7?
- threat
- 2.R6a5#
- 2.Qb7#
- 1...Rxd4
- 2.R6a5#
- 1...Sxd4
- 2.Qd6#
- 1...Be6
- 2.Qxe6#
- 2.Qb7#
- 1...Sd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Be8
- 2.Qe6#
- 1...Sc3
- 2.Sxc3#
- 2.Qb7#
- 1...Sxe7!
- threat
- 1.Bxf4?
- Keys
- 1.Rc6!
- 1...Rxd4
- 2.Ra5#
- 1...Sxd4
- 2.Sb4#
- 1...Sde3
- 2.Sc3#
- 1...Sd6
- 2.Rc5#
- 1...Rf1
- 2.Rc5#
- 1...Rf2
- 2.Rc5#
- 1...Rf3
- 2.Rc5#
- 1...Re4
- 2.Qa5#
- 1...Rg4
- 2.Rc5#
- 1...Rh4
- 2.Rc5#
- 1...Bh5
- 2.Qe6#
- 1...Be6
- 2.Qxe6#
- 1...Bg6
- 2.Qe6#
- 1...Be8
- 2.Qe6#
- 1...Bg8
- 2.Bxg8#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sfe3
- 2.Qa5#
- 1...Sg3
- 2.Qa5#
- 1...Sh4
- 2.Qa5#
- 1...Sh6
- 2.Qa5#
- 1...Se7
- 2.Qa5#
- 1...Sg7
- 2.Qa5#
- 1...Rxd4
- 1.Rc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);::R(F)
- R(b);XP(E)::R(F)
- R(b);SBLOCK::QAR(A)
- R(b);P_PINB(H)::R(F)
- B(f);N_GUARD::QAB1(A)
- B(f);N_GUARD::QAB1(A),XB(f)
- B(f);OGATEB::B(H),XB(f)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(d);::QAR(A)
- Tries
- Try
- B(C);XR(b)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- S(d);XP(E)
- Try
- B(H);XS(d)
- Threat
- QAR(A)
- Vars
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- R(b);CHECK
- Try
- R(F);XP(e)
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::S(B)
- R(b);SBLOCK::QAR(A)
- S(d);::QAR(A)
- Refutation
- S(d);XP(E)
- Try
- Q(A);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB(A),XR(b)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);XP(E)::R(F)
- S(d);N_GUARD,XP(E)::QAR1(A)
- B(f);N_GUARD::QAB1(A)
- Refutation
- S(d);XQ(A)
- Try
- Actual
- R(F);
- Vars
- R(b);SBLOCK,XP(E)::R(D)
- S(d);SBLOCK,XP(E)::S(B)
- S(a);N_GUARD::S(B)
- S(d);SBLOCK::R1(F)
- R(b);::R1(F)
- R(b);SBLOCK::QAR(A)
- R(b);P_PINB(H)::R1(F)
- B(f);N_GUARD::QAB1(A)
- B(f);N_GUARD::QAB1(A),XB(f)
- B(f);OGATEB::B(H),XB(f)
- S(a);N_GUARD::S(B),XS(a)
- S(d);::QAR(A)
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