MESON Chess Problem Database
Problem Display
PID: 226608 (8/3p2p1/1P1N4/Q2Nn1R1/pp1kp1p1/r4p2/P4n2/1BB2K2 w - - 0 1)
Strebkovs, Andrejs
Sachova skladba, 2003
#2
9 + 11
| 5454 | Near Snap | 2020 |
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Be3#
- 1...Re3
- 2.Bxe3#
- 1...Sfd3
- 2.Be3#
- 1...Sed3
- 2.Be3#
- 1...Sg6
- 2.Qxb4#
- 1...Sf7
- 2.Qxb4#
- 1...b3
- 2.Bb2#
- 2.Be3#
- 1...Rxa2
- Tries
- 1.Sc3?
- threat
- 2.Qxe5#
- 1...Kxc3
- 2.Qxe5#
- 1...Sed3
- 2.Scb5#
- 1...Sc4
- 2.Scb5#
- 2.Sdb5#
- 1...Sc6
- 2.Scb5#
- 2.Qc5#
- 1...Sg6
- 2.Scb5#
- 2.Qxb4#
- 2.Qc5#
- 1...Sf7
- 2.Scb5#
- 2.Qxb4#
- 2.Qc5#
- 1...Sfd3!
- threat
- 1.Se3?
- threat
- 2.Qxe5#
- 1...Kc3
- 2.Sb5#
- 2.Qxe5#
- 1...Sed3
- 2.Sb5#
- 1...Sc4
- 2.Sb5#
- 1...Sc6
- 2.Sb5#
- 2.Qc5#
- 1...Sg6
- 2.Sb5#
- 2.Qxb4#
- 2.Qc5#
- 1...Sf7
- 2.Sb5#
- 2.Qxb4#
- 2.Qc5#
- 1...Sfd3!
- threat
- 1.Sc7?
- threat
- 2.Qxe5#
- 1...Kc3
- 2.Scb5#
- 2.Qxe5#
- 1...Sed3
- 2.Scb5#
- 1...Sc4
- 2.Sdb5#
- 2.Scb5#
- 1...Sc6
- 2.Scb5#
- 2.Qc5#
- 1...Sg6
- 2.Scb5#
- 2.Qxb4#
- 2.Qc5#
- 1...Sf7
- 2.Scb5#
- 2.Qxb4#
- 2.Qc5#
- 1...Sfd3!
- threat
- 1.Bf4?
- threat
- 2.Bxe5#
- 1...Sfd3
- 2.Be3#
- 1...Sed3
- 2.Be3#
- 1...Sc4
- 2.Sf5#
- 1...Sg6
- 2.Qxb4#
- 1...Sf7
- 2.Qxb4#
- 1...Sc6!
- threat
- 1.Qxb4+?
- 1...Sc4
- 2.Sb5#
- 2.Qxc4#
- 1...Kxd5!
- 1...Sc4
- 1.Qb5?
- threat
- 2.Sf5#
- 1...Sed3
- 2.Be3#
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sc6
- 2.Qc4#
- 1...Sg6
- 2.Qc4#
- 2.Qxb4#
- 1...Sf7
- 2.Qc4#
- 2.Qxb4#
- 1...g6!
- threat
- 1.Sc3?
- Keys
- 1.Sxb4!
- threat
- 2.Qxe5#
- 1...Kc3
- 2.Sc6#
- 1...Sfd3
- 2.Sc2#
- 1...Sed3
- 2.Sc2#
- 1...Sc4
- 2.Sb5#
- 1...Sc6
- 2.Qc5#
- 1...Sg6
- 2.Qc5#
- 1...Sf7
- 2.Qc5#
- threat
- 1.Sxb4!
Anticipated by 134810(1972)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(b);N_GUARD,XP(D)::B(B)
- R(b);N_GUARD::B(B),XR(b)
- S(a);S_CUTR(b)::B(B)
- S(i);S_CUTR(b)::B(B)
- S(i);N_GUARD::QAR2(E),XP(e)
- Tries
- Try
- S(F);
- Threat
- QAB1(E),XS(i)
- Vars
- K(f);P_SPINP(e),S_FLIGHT,XS(F)::QAB(E),XS(i)
- S(i);::S(F)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- QAB1(E),XS(i)
- Vars
- S(i);::S(I)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- QAB1(E),XS(i)
- Vars
- S(i);::S(F)
- Refutation
- S(a);
- Try
- B(B);
- Threat
- B(B),XS(i)
- Vars
- S(a);S_CUTR(b)::B(B)
- S(i);S_CUTR(b)::B(B)
- S(i);SBLOCK::S(I)
- S(i);N_GUARD::QAR2(E),XP(e)
- Refutation
- S(i);
- Try
- Q(E);CHECK,XP(e)
- Refutation
- K(f);P-FLIGHT,P_SPINS(i),XS(F)
- Try
- Q(E);
- Threat
- S(I)
- Vars
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- Refutation
- P(k);
- Try
- Actual
- S(F);XP(e)
- Threat
- QAB1(E),XS(i)
- Vars
- K(f);S_FLIGHT::QAB(E)+S(F)
- S(a);SBLOCK::S(F)
- S(i);SBLOCK::S(F)
- S(i);SBLOCK::S(I)
- S(i);::QAB1(E)
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