MESON Chess Problem Database
Problem Display
PID: 272887 (b1Q5/8/3PN3/1pP1k1P1/R3n1P1/6b1/1K1N3n/2BR3B w - - 0 1)
Lukkarinen, Heikki
2nd HM., Schackvarlden, 1941
#2
12 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Sc4#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...bxa4
- 2.Sc4#
- 1...b4
- 2.Sc4#
- 1...Kd5
- Tries
- 1.Sf4?
- threat
- 2.Qf5#
- 1...Kxf4
- 2.Sf3#
- 1...Sxg4
- 2.Sf3#
- 1...Sxd6
- 2.Sd3#
- 2.Sg6#
- 2.Qe6#
- 2.Qh8#
- 1...bxa4
- 2.Sc4#
- 1...b4
- 2.Sc4#
- 1...Sxc5!
- threat
- 1.Sc7?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Sf3#
- 1...Sxg4
- 2.Sf3#
- 1...Sxd6
- 2.Qe6#
- 2.Qh8#
- 1...bxa4
- 2.Sc4#
- 1...b4
- 2.Sc4#
- 1...Sxc5!
- threat
- 1.Sg7?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Sf3#
- 1...Kd5
- 2.Sc4#
- 1...Sxd6
- 2.Qe6#
- 1...bxa4
- 2.Sc4#
- 1...b4
- 2.Sc4#
- 1...Sxc5!
- threat
- 1.Sf8?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Sf3#
- 1...Kd5
- 2.Sc4#
- 1...Sxg4
- 2.Sf3#
- 1...Sxd6
- 2.Sg6#
- 2.Qe6#
- 1...bxa4
- 2.Sc4#
- 1...b4
- 2.Sc4#
- 1...Sxc5!
- threat
- 1.Rxe4+?
- 1...Kd5
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sc4#
- 2.Qxa8#
- 1...Bxe4!
- 1...Kd5
- 1.Sf4?
- Keys
- 1.Sd8!
- threat
- 2.Qf5#
- 1...Kf4
- 2.Sf3#
- 1...Kd5
- 2.Sc4#
- 1...Sxg4
- 2.Sf3#
- 1...Sxc5
- 2.Sf7#
- 1...Sxd6
- 2.Qe6#
- 1...bxa4
- 2.Sc4#
- 1...b4
- 2.Sc4#
- threat
- 1.Sd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- K(e);P-FLIGHT,P_SPINS(c),S_CUTP(d)::R(B)+S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);N_GUARD,XR(F)::S(E)
- P(d);N_GUARD::S(E)
- Tries
- Try
- S(K);
- Threat
- QAR1(L)
- Vars
- K(e);P_SPINS(c),S_CUTS(a),S_FLIGHT,XS(K)::B(A)+S(E)
- S(a);N_GUARD,XP(G)::S(E)
- P(d);N_GUARD,XR(F)::S(E)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XP(H)
- Try
- S(K);
- Threat
- QAR1(L)
- Vars
- K(e);P_SPINS(c),S_CUTS(a),S_FLIGHT::B(A)+S(E)
- S(a);N_GUARD,XP(G)::S(E)
- P(d);N_GUARD,XR(F)::S(E)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XP(H)
- Try
- S(K);
- Threat
- QAR1(L)
- Vars
- K(e);P_SPINS(c),S_CUTS(a),S_FLIGHT::B(A)+S(E)
- K(e);P-FLIGHT,P_SPINS(c),S_CUTP(d)::R(B)+S(E)
- S(c);XP(J)::QAR1(L)
- P(d);N_GUARD,XR(F)::S(E)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XP(H)
- Try
- S(K);
- Threat
- QAR1(L)
- Vars
- K(e);P_SPINS(c),S_CUTS(a),S_FLIGHT::B(A)+S(E)
- K(e);P-FLIGHT,P_SPINS(c),S_CUTP(d)::R(B)+S(E)
- S(a);N_GUARD,XP(G)::S(E)
- P(d);N_GUARD,XR(F)::S(E)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XP(H)
- Try
- R(F);CHECK,XS(c)
- Refutation
- B(f);XR(F)
- Try
- Actual
- S(K);
- Threat
- QAR1(L)
- Vars
- K(e);P_SPINS(c),S_CUTS(a),S_FLIGHT::B(A)+S(E)
- K(e);P-FLIGHT,P_SPINS(c),S_CUTP(d)::R(B)+S(E)
- S(a);N_GUARD,XP(G)::S(E)
- S(c);XP(H)::S(K)
- S(c);XP(J)::QAR1(L)
- P(d);N_GUARD,XR(F)::S(E)
- P(d);N_GUARD::S(E)
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