MESON Chess Problem Database
Problem Display
PID: 177853 (1K2B3/2pN1P2/7R/pkpPBb2/p6R/PN6/3P4/1Q6 w - - 0 1)
Dombrovskis, Alfreds A
Zagoruyko, Leonid Ivanovich
Sahs (Latvia), 1983
#2
12 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Sa1#
- 2.Sc1#
- 2.Sbxc5#
- 1...Be6
- 2.Sbxc5#
- 1...Bxd7
- 2.Sa1#
- 2.Sc1#
- 1...axb3
- 2.Qxb3#
- 2.a4#
- 1...c4
- 2.Sd4#
- 1...Bh3
- Tries
- 1.Sxa5+?
- 1...Kxa5
- 2.Bc3#
- 2.Bxc7#
- 1...Bxb1!
- 1...Kxa5
- 1.Sdxc5+?
- 1...Bd7
- 2.Qd3#
- 2.Qf1#
- 1...c6!
- 1...Bd7
- 1.Sf8+?
- 1...Bd7
- 2.Sa1#
- 2.Sc1#
- 1...c6!
- 1...Bd7
- 1.Re4?
- threat
- 2.Sa1#
- 2.Sc1#
- 2.Sbxc5#
- 1...Bxd7
- 2.Sa1#
- 2.Sc1#
- 1...axb3
- 2.Qxb3#
- 2.a4#
- 1...Be6
- 2.Sbxc5#
- 1...Bg6
- 2.Sbxc5#
- 1...c6
- 2.Sbxc5#
- 1...c4
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sbc5#
- 1...Bxe4!
- threat
- 1.Qc2?
- threat
- 2.Qc4#
- 2.Qxc5#
- 1...Be6
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...c6
- 2.Qc4#
- 1...Bd3
- 2.Qxc5#
- 1...Be4
- 2.Qxc5#
- 1...Bg4
- 2.Qxc5#
- 1...c4
- 2.Sd4#
- 2.Qxc4#
- 1...Bxc2!
- threat
- 1.Qd3+?
- 1...c4
- 2.Sd4#
- 2.Qxc4#
- 1...Bxd3!
- 1...c4
- 1.Qxf5?
- 1...axb3
- 2.a4#
- 1...c4
- 2.Sd4#
- 1...c6!
- 1...axb3
- 1.Qc1?
- threat
- 2.Qc4#
- 2.Qxc5#
- 1...Be6
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...c6
- 2.Qc4#
- 1...Bd3
- 2.Qxc5#
- 1...Be4
- 2.Qxc5#
- 1...Bg4
- 2.Qxc5#
- 1...c4
- 2.Sd4#
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Qf1+?
- 1...c4
- 2.Sd4#
- 2.Qxc4#
- 1...Bd3!
- 1...c4
- 1.d3?
- threat
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sbxc5#
- 1...Bxd7
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 1...axb3
- 2.Qxb3#
- 2.a4#
- 1...Be6
- 2.Sbxc5#
- 1...Bg6
- 2.Sbxc5#
- 1...c6
- 2.Sbxc5#
- 1...c4
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sbc5#
- 2.dxc4#
- 1...Bxd3!
- threat
- 1.Sxa5+?
- Keys
- 1.Bxc7!
- threat
- 2.Rb6#
- 1...Be4
- 2.Se5#
- 1...Bg4
- 2.Sxa5#
- 1...Be6
- 2.Sbxc5#
- 1...Bg6
- 2.Sdxc5#
- threat
- 1.Bxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(e);N_GUARD::QAR(A)+S(D),XP(d)
- P(d);SBLOCK::QAR(A)+S(D),DCHECK
- Tries
- Try
- S(D);CHECK,XP(b)
- Refutation
- B(e);XQ(A)
- Try
- S(I);CHECK,XP(d)
- Refutation
- P(f);P_SPINP(f)
- Try
- S(I);CHECK
- Refutation
- P(f);P_SPINP(f)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- B(e);::QAR(A)+S(D),XP(d)
- P(f);::QAR(A)+S(D),XP(d)
- Refutation
- B(e);XR(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB1(A)
- P(f);::QAB1(A)
- B(e);::QAR1(A),XP(d)
- Refutation
- B(e);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- B(e);XQ(A)
- Try
- Q(A);XB(e)
- Vars
- P(a);OGATE,XS(D)::P(C)
- P(d);N_GUARD,SBLOCK::S(D)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB1(A)
- P(f);::QAB1(A)
- B(e);::QAR1(A),XP(d)
- Refutation
- B(e);
- Try
- Q(A);CHECK
- Refutation
- B(e);P_SPINB(e)
- Try
- P(B);
- Threat
- DUALS(5)
- Vars
- B(e);::QAR(A)+S(D),XP(d)
- P(f);::QAR(A)+S(D),XP(d)
- Refutation
- B(e);XP(B)
- Try
- Actual
- B(G);XP(f)
- Threat
- R1(H)
- Vars
- B(e);N_GUARD::B(L)+S(I)
- B(e);N_GUARD::QAR(A)+S(D),XP(b)
- B(e);N_GUARD::QAR(A)+S(D),XP(d)
- B(e);N_GUARD::B(L)+S(I),XP(d)
Developed and maintained by Brian Stephenson.
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