MESON Chess Problem Database
Problem Display
PID: 29274 (B7/b2Rn3/8/qp2B2R/6k1/6N1/3r4/2Q2N1K w - - 0 1)
Dombrovskis, Alfreds A
Themes-64, 1983
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qf4#
- 2.Qg5#
- 2.Qxd1#
- 1...Ra2
- 2.Qf4#
- 2.Qg5#
- 1...Rb2
- 2.Qf4#
- 2.Qg5#
- 1...Rc2
- 2.Qf4#
- 2.Qg5#
- 1...Re2
- 2.Qf4#
- 2.Qg5#
- 1...Rf2
- 2.Qg5#
- 1...Rg2
- 2.Qf4#
- 2.Qg5#
- 1...Rh2+
- 2.Sxh2#
- 1...Rd3
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Rd4
- 2.Sh2#
- 2.Se3#
- 2.Qg5#
- 1...Rd5
- 2.Sh2#
- 2.Qf4#
- 1...Rd6
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Rxd7
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Bf2
- 2.Sh2#
- 1...Be3
- 2.Sxe3#
- 1...Bb8
- 2.Se3#
- 1...Sc8
- 2.Rg7#
- 1...Sg8
- 2.Rg7#
- 1...Rd1
- Tries
- 1.Bg2?
- threat
- 2.Sh2#
- 1...Rxg2
- 2.Qf4#
- 1...Rd1
- 2.Qf4#
- 2.Qg5#
- 2.Qxd1#
- 1...Bg1!
- threat
- 1.Rxd2?
- threat
- 2.Sh2#
- 2.Qd1#
- 1...Qc3
- 2.Sh2#
- 1...Qa1
- 2.Sh2#
- 1...Qa3
- 2.Sh2#
- 1...Qa4
- 2.Sh2#
- 1...Bg1
- 2.Qd1#
- 1...Qxd2!
- threat
- 1.Rd3?
- threat
- 2.Bf3#
- 1...Rh2+
- 2.Sxh2#
- 1...Rxd3
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Rf2
- 2.Qg5#
- 1...Be3
- 2.Sxe3#
- 1...Sd5
- 2.Qc8#
- 1...Sc6!
- threat
- 1.Rd4+?
- 1...Rxd4
- 2.Sh2#
- 2.Se3#
- 2.Qg5#
- 1...Bxd4!
- 1...Rxd4
- 1.Qxd2?
- threat
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 2.Qd1#
- 2.Qe2#
- 1...Sd5
- 2.Sh2#
- 2.Qd1#
- 2.Qe2#
- 1...Sc6
- 2.Sh2#
- 2.Qf4#
- 2.Qd1#
- 2.Qe2#
- 1...Qc3
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Qb4
- 2.Sh2#
- 2.Qg5#
- 2.Qd1#
- 2.Qe2#
- 1...Qa1
- 2.Qf4#
- 2.Qg5#
- 2.Qe2#
- 1...Qa2
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Qa3
- 2.Sh2#
- 2.Qf4#
- 2.Qg5#
- 1...Qa4
- 2.Sh2#
- 2.Qg5#
- 2.Qe2#
- 1...Bg1
- 2.Qf4#
- 2.Qg5#
- 2.Qd1#
- 2.Qe2#
- 1...Be3
- 2.Sh2#
- 2.Sxe3#
- 2.Qd1#
- 2.Qe2#
- 1...Sg6
- 2.Sh2#
- 2.Qg5#
- 2.Qd1#
- 2.Qe2#
- 1...Qxd2!
- threat
- 1.Qd1+?
- 1...Re2
- 2.Sh2#
- 2.Qxe2#
- 1...Rxd1!
- 1...Re2
- 1.Qc4+?
- 1...Rd4
- 2.Sh2#
- 2.Se3#
- 2.Qe2#
- 1...Bd4
- 2.Se3#
- 1...bxc4!
- 1...Rd4
- 1.Bg2?
- Keys
- 1.Qc8!
- threat
- 2.Rd4#
- 1...Rh2+
- 2.Sxh2#
- 1...Rxd7
- 2.Sh2#
- 1...Sxc8
- 2.Rg7#
- 1...Rd5
- 2.Sh2#
- 1...Sd5
- 2.Rf7#
- 1...Sc6
- 2.Rd3#
- 1...Rd4
- 2.Sh2#
- 2.Se3#
- 2.Rxd4#
- 1...Rd6
- 2.Sh2#
- 1...Bd4
- 2.Rxd4#
- 2.Rxe7#
- 1...Sf5
- 2.Rg7#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- R(a);OGATE::QAR1(A)
- R(a);CHECK,N_GUARD::S(B),XR(a)
- B(e);S_CUTR(a)::S(B)
- B(e);N_GUARD::S(B),XB(e)
- B(e);N_GUARD::S(B)
- S(f);OGATE::R(G)
- Tries
- Try
- B(H);
- Threat
- S(B)
- Vars
- R(a);OGATE,XB(H)::QAR1(A)
- Refutation
- B(e);
- Try
- R(G);XR(a)
- Threat
- DUALS(2)
- Vars
- Q(c);::S(B)
- B(e);::QAB(A)
- Refutation
- Q(c);XR(G)
- Try
- R(G);
- Threat
- B(H)
- Vars
- R(a);CHECK,N_GUARD::S(B),XR(a)
- R(a);OGATE::QAR1(A)
- B(e);N_GUARD::S(B),XB(e)
- S(f);N_GUARD::QAB(A)
- Refutation
- S(f);
- Try
- R(G);CHECK
- Refutation
- B(e);XR(G)
- Try
- Q(A);XR(a)
- Threat
- DUALS(5)
- Refutation
- Q(c);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- R(a);P_PINS(B),XQ(A)
- Try
- Q(A);CHECK
- Vars
- B(e);P_SPINB(e)::S(B)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAB(A)+R(G),DCHECK
- Vars
- R(a);CHECK,N_GUARD::S(B),XR(a)
- R(a);N_GUARD,P_SPINR(a),XR(G)::S(B)
- S(f);OGATE,XQ(A)::R(G)
- R(a);N_GUARD::S(B)
- S(f);OGATE::QAB(A)+R(G)
- S(f);N_GUARD::QAB(A)+R(G)
- S(f);OGATE::R(G)
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