MESON Chess Problem Database
Problem Display
PID: 7257 (qb6/n7/N2p4/1p1k1K2/Rr1N4/4R3/4Q2p/B3nB2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Landeszeitung fur die Luneburger Heide, 1999
#2
8 + 9
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 1...Sg2
- 2.Bxg2#
- 2.Qf3#
- 2.Qxg2#
- 1...Sf3
- 2.Qxf3#
- 1...Sc2
- Tries
- 1.Bg2+?
- 1...Sf3
- 2.Bxf3#
- 1...Sxg2!
- 1...Sf3
- 1.Rea3?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...h1Q
- 2.Qe6#
- 1...h1B
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Rb3?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...h1Q
- 2.Qe6#
- 1...h1B
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Rf3?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Rg3?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...h1Q
- 2.Qe6#
- 1...h1B
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Rh3?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...h1Q
- 2.Qe6#
- 1...h1B
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Re7?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...h1Q
- 2.Qe6#
- 1...h1B
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Re8?
- threat
- 2.Qe4#
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 1...h1Q
- 2.Qe6#
- 1...h1B
- 2.Qe6#
- 1...Rxd4!
- threat
- 1.Rxb4?
- threat
- 2.Qa2#
- 1...Sc2
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 1...Qc6!
- threat
- 1.Qg4?
- threat
- 2.Qe4#
- 2.Qg8#
- 1...Sd3
- 2.Qg8#
- 1...h1Q
- 2.Qg8#
- 1...h1B
- 2.Qg8#
- 1...Qb7
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Rxd4!
- threat
- 1.Qxb5+?
- 1...Rxb5
- 2.Bc4#
- 1...Sxb5!
- 1...Rxb5
- 1.Qh5?
- threat
- 2.Kf4#
- 2.Kg4#
- 2.Kf6#
- 2.Kg6#
- 2.Qf7#
- 1...Sd3
- 2.Qf7#
- 1...h1Q
- 2.Qf7#
- 1...h1R
- 2.Qf7#
- 1...Qb7
- 2.Kf4#
- 2.Kg4#
- 2.Kf6#
- 2.Kg6#
- 1...Sg2
- 2.Kg4#
- 2.Kf6#
- 2.Kg6#
- 2.Qf3#
- 2.Qf7#
- 1...Sf3
- 2.Qxf3#
- 2.Qf7#
- 1...Sc6
- 2.Qf7#
- 1...Rxd4!
- threat
- 1.Qa2+?
- 1...Rb3
- 2.Qxb3#
- 1...Rc4!
- 1...Rb3
- 1.Qc2?
- threat
- 2.Sxb4#
- 2.Qe4#
- 1...Rxa4
- 2.Qe4#
- 1...Rxd4
- 2.Rxd4#
- 1...h1Q
- 2.Sxb4#
- 1...h1B
- 2.Sxb4#
- 1...Rb1
- 2.Qe4#
- 1...Rb2
- 2.Qe4#
- 1...Rb3
- 2.Qxb3#
- 2.Qe4#
- 1...Rc4
- 2.Qe4#
- 1...Sd3
- 2.Bg2#
- 1...Sc6
- 2.Qe4#
- 1...Sxc2!
- threat
- 1.Qg2+?
- 1...Sf3
- 2.Qxf3#
- 2.Qg8#
- 1...Sxg2!
- 1...Sf3
- 1.Bg2+?
- Keys
- 1.Rd3!
- threat
- 2.Qe6#
- 1...Kc4
- 2.Qa2#
- 1...Rxd4
- 2.Qe4#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAB(C),XS(a)
- Tries
- Try
- B(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::B(B),XS(a)
- Refutation
- S(a);XB(B)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C)
- P(b);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- R(E);XR(c)
- Threat
- QAB(C)
- Refutation
- Q(h);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB(C)
- P(b);::QAB(C)
- Q(h);::QAB1(C)
- B(i);::QAB1(C)
- Refutation
- R(c);XS(F)
- Try
- Q(C);CHECK,XP(d)
- Vars
- R(c);XQ(C)::B(B)
- Refutation
- S(g);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(5)
- Vars
- S(a);::QAB(C)
- P(b);::QAB(C)
- S(g);::QAB(C)
- Refutation
- R(c);XS(F)
- Try
- Q(C);CHECK
- Vars
- R(c);N_GUARD,P_SPINR(c)::QAB(C),XR(c)
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(c);XR(E)::QAB1(C)
- R(c);OGATE,XS(F)::R1(E),XR(c)
- P(b);::S(H),XR(c)
- R(c);::QAB1(C)
- S(a);N_GUARD::B(B)
- S(g);::QAB1(C)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- S(a);XQ(C)
- Try
- Actual
- R(D);
- Threat
- QAB1(C)
- Vars
- K(e);P_SPINR(c),S_FLIGHT::QAB(C)
- R(c);P_SPINR(c),XS(F)::QAB1(C)
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