MESON Chess Problem Database
Problem Display
PID: 177834 (2KR3n/p1P1P3/2PBp3/3kN1b1/R2Nrp2/P2P4/6Bp/1bn4q w - - 0 1)
Kiss, Ivan
Sahs (Latvia), 1983
#2
12 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Bxe4#
- 1...Qf1
- 2.Bxe4#
- 1...Qg1
- 2.Bxe4#
- 1...Ba2
- 2.dxe4#
- 1...Qd1
- Tries
- 1.Sc2?
- threat
- 2.Rd4#
- 2.Ra5#
- 2.dxe4#
- 1...Qxg2
- 2.Ra5#
- 1...Sxd3
- 2.Rd4#
- 1...Qe1
- 2.Rd4#
- 1...Qg1
- 2.Bxe4#
- 2.dxe4#
- 1...Se2
- 2.Ra5#
- 2.dxe4#
- 1...Sb3
- 2.dxe4#
- 1...f3
- 2.Ra5#
- 2.dxe4#
- 1...a5
- 2.Rd4#
- 2.Rxa5#
- 2.dxe4#
- 1...Bxc2!
- threat
- 1.Se2?
- threat
- 2.Sc3#
- 2.Rd4#
- 2.Ra5#
- 1...Qxg2
- 2.Sc3#
- 2.Ra5#
- 1...Bxd3
- 2.Sc3#
- 2.Rd4#
- 1...Sxd3
- 2.Sc3#
- 2.Rd4#
- 1...Qe1
- 2.Bxe4#
- 2.Rd4#
- 1...Qg1
- 2.Sc3#
- 2.Bxe4#
- 1...Sa2
- 2.Rd4#
- 2.Ra5#
- 1...Sb3
- 2.Sc3#
- 1...f3
- 2.Sc3#
- 2.Ra5#
- 1...a5
- 2.Sc3#
- 2.Rd4#
- 2.Rxa5#
- 1...Sxe2!
- threat
- 1.Sb3?
- threat
- 2.Rd4#
- 2.Ra5#
- 1...Qxg2
- 2.Ra5#
- 1...Bxd3
- 2.Rd4#
- 1...Sxd3
- 2.Rd4#
- 1...Qe1
- 2.Rd4#
- 1...Qg1
- 2.Bxe4#
- 1...Se2
- 2.Ra5#
- 1...f3
- 2.Ra5#
- 1...a5
- 2.Rd4#
- 2.Rxa5#
- 1...Sxb3!
- threat
- 1.Sdf3?
- threat
- 2.Bb4#
- 2.Ra5#
- 1...Rxa4
- 2.Bb4#
- 1...Bxd3
- 2.Bb4#
- 1...Bxe7
- 2.Bxe7#
- 2.Ra5#
- 1...Sxd3
- 2.Bb4#
- 1...Qe1
- 2.Bb4#
- 1...Qg1
- 2.Bb4#
- 1...Rb4
- 2.Bxb4#
- 1...Rc4
- 2.Bb4#
- 1...Sb3
- 2.Bb4#
- 1...Sf7
- 2.Ra5#
- 1...a5
- 2.Bb4#
- 2.Rxa5#
- 1...Rxe5!
- threat
- 1.Sb5?
- threat
- 2.Sc3#
- 2.Rd4#
- 1...Qxg2
- 2.Sc3#
- 1...Qe1
- 2.Rd4#
- 1...Qg1
- 2.Sc3#
- 2.Bxe4#
- 1...Sa2
- 2.Rd4#
- 1...Sb3
- 2.Sc3#
- 1...f3
- 2.Sc3#
- 1...Se2!
- threat
- 1.Sc2?
- Keys
- 1.Bh3!
- threat
- 2.Bxe6#
- 1...Rxd4
- 2.Ra5#
- 1...Rxe5
- 2.Bb4#
- threat
- 1.Bh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(c);N_GUARD::B(A),XR(e)
- B(a);N_GUARD::P(C),XR(e)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(c);N_SPINR(e),XB(A)::R(D)
- S(b);XP(C)::R1(D)
- Q(c);::R1(D)
- S(b);::P(C),XR(e)
- Refutation
- B(a);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(b);::S(E)
- Refutation
- S(b);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINR(e),XB(A)::R(D)
- B(a);XP(C)::R1(D)
- S(b);XP(C)::R1(D)
- Q(c);::R1(D)
- Q(c);N_GUARD::B(A),XR(e)
- S(b);::R(D)
- P(f);N_SPINR(e)::R(D)
- Refutation
- S(b);XS(E)
- Try
- S(E);N_PINR(e)
- Threat
- DUALS(2)
- Vars
- R(e);XR(D)::R(L)+B(H)
- B(a);XP(C)::R(L)+B(H)
- S(b);XP(C)::R(L)+B(H)
- Q(c);::R(L)+B(H)
- R(e);::R(L)+B(H),XR(e)
- R(e);::R(L)+B(H)
- S(b);::R(L)+B(H)
- S(k);::R(D)
- Refutation
- R(e);XS(F)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINR(e),XB(A)::S(E)
- Q(c);::R1(D)
- S(b);::R1(D)
- S(b);::S(E)
- P(f);N_SPINR(e)::S(E)
- Refutation
- S(b);
- Try
- Actual
- B(A);N_PINR(e)
- Threat
- B(A),XP(i)
- Vars
- R(e);SBLOCK,XS(E)::R(D)
- R(e);SBLOCK,XS(F)::R(L)+B(H)
Developed and maintained by Brian Stephenson.
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