MESON Chess Problem Database
Problem Display
PID: 152920 (rR3Bb1/rn4p1/1Pp1k1Pp/4PR1P/pN4p1/4K3/5N2/1B1Q4 w - - 0 1)
Alekseev, Yuri Mikhailovich
2nd HM., Wola Gulowska, 2005
#2
12 + 10
| 15345 | Wola Gulowska Award | 2005 |
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sa5
- 2.Qd6#
- 1...Sc5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...c5
- 2.Qd5#
- 1...Sa5
- Tries
- 1.Kf4?
- threat
- 2.Ba2#
- 1...Sd6
- 2.Qxd6#
- 1...Sa5
- 2.Qd6#
- 1...Sc5
- 2.Qd6#
- 1...c5
- 2.Qd5#
- 1...Ra5!
- threat
- 1.Sfd3?
- threat
- 2.Sf4#
- 1...Kd7
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Kxf5!
- threat
- 1.Sh3?
- threat
- 2.Sf4#
- 1...Sd6
- 2.Qxd6#
- 1...gxh3!
- threat
- 1.Sa6?
- threat
- 2.Sc7#
- 1...Sd6
- 2.Sc5#
- 2.Qxd6#
- 1...Sa5
- 2.Sc5#
- 2.Qd6#
- 1...Sc5
- 2.Sxc5#
- 2.Qd6#
- 1...Sd8
- 2.Sc5#
- 2.Qd6#
- 1...Rxa6!
- threat
- 1.Rg5?
- threat
- 2.Ba2#
- 2.Qxg4#
- 1...Sd6
- 2.Qxd6#
- 1...Ra5
- 2.Qxg4#
- 1...Sa5
- 2.Qxg4#
- 2.Qd6#
- 1...Sc5
- 2.Qxg4#
- 2.Qd6#
- 1...g3
- 2.Ba2#
- 2.Qg4#
- 1...c5
- 2.Qxg4#
- 2.Qd5#
- 1...hxg5!
- threat
- 1.Rf6+?
- 1...Kxe5
- 2.Sxg4#
- 2.Qd4#
- 1...gxf6!
- 1...Kxe5
- 1.Rxb7?
- threat
- 2.Qd6#
- 2.Qd7#
- 1...Rxb7
- 2.Qd6#
- 1...Rd8!
- threat
- 1.Rd8?
- threat
- 2.Qd7#
- 1...Sxd8
- 2.Qd6#
- 1...Sa5
- 2.Rd6#
- 2.Qd6#
- 1...Sc5
- 2.Rd6#
- 2.Qd6#
- 1...Sd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Rxd8!
- threat
- 1.Qxg4?
- threat
- 2.Rg5#
- 1...Kd7
- 2.Rf7#
- 1...Sd6!
- threat
- 1.Qd3?
- threat
- 2.Ba2#
- 1...Sd6
- 2.Qxd6#
- 1...Sa5
- 2.Qd6#
- 1...Sc5
- 2.Qd6#
- 1...c5
- 2.Qd5#
- 1...Ra5!
- threat
- 1.Qd8?
- threat
- 2.Qe7#
- 2.Qc8#
- 2.Qe8#
- 1...Rxb8
- 2.Qe7#
- 1...Bf7
- 2.Qe7#
- 2.Qc8#
- 1...Sa5
- 2.Qd6#
- 1...Sc5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sxd8!
- threat
- 1.Kf4?
- Keys
- 1.Sbd3!
- threat
- 2.Sf4#
- 1...Kd5
- 2.Ba2#
- 1...Kxf5
- 2.Qxg4#
- 1...Kd7
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- threat
- 1.Sbd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- S(g);N_GUARD::QAR1(B)
- S(g);N_GUARD::QAR1(B),XS(g)
- P(c);N_GUARD::QAB1(B)
- Tries
- Try
- K(D);S_FLIGHT
- Threat
- B(A)
- Vars
- S(g);N_GUARD::QAR1(B),XS(g)
- S(g);N_GUARD::QAR1(B)
- P(c);N_GUARD::QAB1(B)
- Refutation
- R(f);
- Try
- S(C);
- Threat
- S(C)
- Vars
- K(d);S_FLIGHT::QAR(B)+S(C),DCHECK
- S(g);N_GUARD::S(C)
- Refutation
- K(d);S_FLIGHT,XR(G)
- Try
- S(C);
- Threat
- S(C)
- Vars
- S(g);N_GUARD::QAR1(B),XS(g)
- Refutation
- P(b);XS(C)
- Try
- S(E);
- Threat
- S(E)
- Refutation
- R(f);XS(E)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD::QAR1(B),XS(g)
- R(f);::QAB(B),XP(b)
- Refutation
- P(e);XR(G)
- Try
- R(G);CHECK
- Refutation
- P(h);XR(G)
- Try
- R(K);XS(g)
- Threat
- DUALS(2)
- Vars
- R(f);XR(K)::QAR1(B)
- Refutation
- R(i);
- Try
- R(K);
- Threat
- QAB1(B)
- Vars
- S(g);N_GUARD,XR(K)::QAR1(B)
- Refutation
- R(i);XR(K)
- Try
- Q(B);XP(b)
- Threat
- QAB(B)+R(G)
- Vars
- K(d);S_FLIGHT::QAB(B)+R(G),DCHECK
- Refutation
- S(g);
- Try
- Q(B);
- Threat
- B(A)
- Vars
- S(g);N_GUARD::QAR1(B),XS(g)
- S(g);N_GUARD::QAR1(B)
- P(c);N_GUARD::QAB1(B)
- Refutation
- R(f);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(i);XR(K)::QAR1(B)
- S(g);N_GUARD::QAR1(B)
- S(g);N_GUARD::QAR1(B),XS(g)
- Refutation
- S(g);XQ(B)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- K(d);S_FLIGHT::B(A)
- K(d);OGATEB,S_FLIGHT,XR(G)::QAB1(B),XP(b)
- K(d);S_FLIGHT::QAR(B)+S(E),DCHECK
- S(g);N_GUARD::S(E)
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