MESON Chess Problem Database
Problem Display
PID: 102802 (8/1n5p/5B2/Rn6/1Qp1pk2/3p1p1B/7K/1N3RN1 w - - 0 1)
Ivanov, Vadim Aleksandrovich
5th Comm., Die Schwalbe, 2008
#2
8 + 8
| 23 | Die Schwalbe | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qd2#
- 1...Sa3
- 2.Bg5#
- 1...Sc3
- 2.Bg5#
- 1...Sd4
- 2.Bg5#
- 1...S5d6
- 2.Bg5#
- 1...Sa7
- 2.Bg5#
- 1...Sc7
- 2.Bg5#
- 1...c3
- 2.Rxf3#
- 1...Ke3
- Tries
- 1.Se2+?
- 1...Ke3
- 2.Qd2#
- 1...dxe2!
- 1...Ke3
- 1.Qd6+?
- 1...Ke3
- 2.Bg5#
- 1...S5xd6
- 2.Bg5#
- 1...S7xd6!
- 1...Ke3
- 1.Qe7?
- threat
- 2.Bg5#
- 1...Ke3
- 2.Rxf3#
- 1...h6!
- threat
- 1.Qf8?
- threat
- 2.Qh6#
- 1...Ke3
- 2.Qh6#
- 1...h6
- 2.Qxh6#
- 1...e3!
- threat
- 1.Qxc4?
- threat
- 2.Rxf3#
- 1...Ke3
- 2.Bg5#
- 1...Sd4
- 2.Bg5#
- 1...f2!
- threat
- 1.Se2+?
- Keys
- 1.Sc3!
- threat
- 2.Sd5#
- 1...Ke3
- 2.Sd5#
- 1...Sxc3
- 2.Bg5#
- 1...Sc7
- 2.Bg5#
- 1...e3
- 2.Rxf3#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- K(e);N_SPINP(b),S_FLIGHT::QAB1(F)
- S(f);::B(H)
- P(c);S_CUTP(d)::R1(B),XP(b)
- Tries
- Try
- S(C);CHECK
- Vars
- K(e);N_SPINP(b),S_FLIGHT::QAB1(F)
- Refutation
- P(a);XS(C)
- Try
- Q(F);CHECK
- Vars
- K(e);N_SPINP(b),S_FLIGHT::B(H)
- S(f);XQ(F)::B(H)
- Refutation
- S(g);XQ(F)
- Try
- Q(F);
- Threat
- B(H)
- Vars
- K(e);N_SPINP(b),P_SPINP(d),S_FLIGHT::R1(B),XP(b)
- Refutation
- P(h);
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- K(e);N_SPINP(b),S_FLIGHT::QAB(F)
- P(h);::QAB(F),XP(h)
- Refutation
- P(d);
- Try
- Q(F);XP(c)
- Threat
- R1(B),XP(b)
- Vars
- K(e);N_SPINP(b),S_FLIGHT::B(H)
- S(f);::B(H)
- Refutation
- P(b);
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- K(e);N_SPINP(b),S_FLIGHT::S(A)
- S(f);XS(A)::B(H)
- S(f);::B(H)
- P(d);N_GUARD::R1(B),XP(b)
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