MESON Chess Problem Database
Problem Display
PID: 140616 (7K/p1pnNp1B/r4P2/1QPpkPBp/6R1/r7/3PP3/2Nn2b1 w - - 0 1)
Stoyanov, Kiril N
2nd HM., BCF 135. Ty., 1973-1974
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd3#
- 1...Ra2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.d4#
- 1...R3a4
- 2.Sd3#
- 1...R3a5
- 2.Sd3#
- 1...R6a4
- 2.Sc6#
- 1...R6a5
- 2.Sc6#
- 1...Rc6
- 2.Sxc6#
- 1...Bh2
- 2.d4#
- 1...Sf2
- 2.d4#
- 1...Sc3
- 2.Sd3#
- 1...Se3
- 2.d4#
- 1...Sb6
- 2.Sc6#
- 1...Ra1
- Tries
- 1.Bf4+?
- 1...Kd4
- 2.Qb4#
- 1...Kxf6
- 2.Sxd5#
- 2.Sg8#
- 1...Ke4!
- 1...Kd4
- 1.Qc4?
- threat
- 2.Qxd5#
- 2.Qf4#
- 1...Sxf6
- 2.Bf4#
- 2.Qf4#
- 1...Rd3
- 2.Sxd3#
- 2.Qf4#
- 1...Rf3
- 2.Qxd5#
- 1...R3a4
- 2.Sd3#
- 2.Qxd5#
- 1...R6a4
- 2.Sc6#
- 2.Qxd5#
- 1...Rd6
- 2.Qf4#
- 1...Bh2
- 2.Qxd5#
- 2.Qd4#
- 2.d4#
- 1...Be3
- 2.Qxd5#
- 1...Bd4
- 2.Qxd5#
- 2.Qxd4#
- 1...Sc3
- 2.Sd3#
- 2.Qf4#
- 1...Se3
- 2.Qd4#
- 2.Qf4#
- 2.d4#
- 1...Sb6
- 2.Sc6#
- 2.Qf4#
- 1...d4
- 2.Qd5#
- 1...c6
- 2.Qf4#
- 1...dxc4!
- threat
- 1.Qxd7?
- threat
- 2.Qxd5#
- 1...Rd3
- 2.Sxd3#
- 1...Sc3
- 2.Sd3#
- 1...Se3
- 2.d4#
- 1...d4
- 2.Qd5#
- 1...c6
- 2.Qd6#
- 2.Qc7#
- 1...Rd6!
- threat
- 1.Qb3?
- threat
- 2.Sd3#
- 2.Qxd5#
- 1...Bxc5
- 2.Qxd5#
- 1...Sxc5
- 2.Qxd5#
- 1...Sxf6
- 2.Sd3#
- 1...hxg4
- 2.Qxd5#
- 1...Rd6
- 2.Sd3#
- 1...Sb2
- 2.Qxd5#
- 1...Sf2
- 2.Qxd5#
- 2.d4#
- 1...Sc3
- 2.Sd3#
- 1...Se3
- 2.Sd3#
- 2.d4#
- 1...Sb6
- 2.Sd3#
- 2.Sc6#
- 1...d4
- 2.Sd3#
- 2.Qd5#
- 1...c6
- 2.Sd3#
- 1...Rxb3!
- threat
- 1.Bf4+?
- Keys
- 1.Qc6!
- threat
- 2.Qxd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Sxf6
- 2.Bxf6#
- 1...Rd3
- 2.Sxd3#
- 1...Sc3
- 2.Sd3#
- 1...Se3
- 2.d4#
- 1...Sb6
- 2.Qxc7#
- 1...d4
- 2.Bf4#
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- R(c);S_CUTB(b)::P(B)
- R(g);N_GUARD::S(J)
- R(g);N_GUARD::S(J),XR(g)
- B(b);N_GUARD::P(B)
- S(a);S_CUTB(b)::P(B)
- S(a);S_CUTR(c)::S(A)
- S(j);S_CUTR(g)::S(J)
- Tries
- Try
- B(H);CHECK
- Vars
- K(e);S_FLIGHT::QAR2(E)
- Refutation
- K(e);P-FLIGHT
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR1(E),XP(d)
- R(g);::QAB1(E)
- B(b);::QAR1(E),XP(d)
- P(d);::QAR1(E)
- P(i);::QAB1(E)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);XS(j)
- Threat
- QAR1(E),XP(d)
- Vars
- R(c);N_GUARD::S(A),XR(c)
- S(a);S_CUTR(c)::S(A)
- S(a);S_CUTB(b)::P(B)
- P(d);::QAR1(E)
- Refutation
- R(g);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(b);XP(F)::QAR1(E),XP(d)
- S(j);XP(F)::QAR1(E),XP(d)
- S(j);XP(I)::S(A)
- P(f);XR(D)::QAR1(E),XP(d)
- R(g);::S(A)
- S(a);::QAR1(E),XP(d)
- S(a);::S(A)
- P(i);::S(A)
- Refutation
- R(c);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- QAR1(E),XP(d)
- Vars
- R(g);XQ(E)::S(J),XR(g)
- S(j);OGATE,XP(I)::B(H),XS(j)
- R(c);N_GUARD::S(A),XR(c)
- S(a);S_CUTR(c)::S(A)
- S(a);S_CUTB(b)::P(B)
- S(j);S_CUTR(g)::QAB(E),XP(i)
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