MESON Chess Problem Database
Problem Display
PID: 207437 (B6B/3N3Q/4PnN1/n5b1/1PPk1pbP/3p4/K2PR3/2R1r3 w - - 0 1)
Barnes, Barry Peter
Haring, Jacobus
Die Schwalbe, 1974
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Re4#
- 1...Rd1
- 2.Re4#
- 1...Rf1
- 2.Re4#
- 1...Rg1
- 2.Re4#
- 1...Rh1
- 2.Re4#
- 1...Bh6
- 2.Bxf6#
- 1...Rxc1
- Tries
- 1.Sxf4?
- threat
- 2.Qxd3#
- 2.Qe4#
- 1...Rxe2
- 2.Qxd3#
- 1...Bxe2
- 2.Qe4#
- 1...Bxf4
- 2.Qe4#
- 1...dxe2
- 2.Qd3#
- 2.Qe4#
- 1...Bf3
- 2.Qxd3#
- 1...Bf5!
- threat
- 1.Sge5?
- threat
- 2.Qxd3#
- 1...Sxh7
- 2.Sf3#
- 2.Sc6#
- 1...dxe2
- 2.Qd3#
- 1...Bf5
- 2.Sf3#
- 1...Se4
- 2.Sf3#
- 2.Sc6#
- 2.Qxe4#
- 1...Bxe2!
- threat
- 1.Se7?
- threat
- 2.Qe4#
- 1...Bf3
- 2.Sf5#
- 1...Bf5
- 2.Sxf5#
- 1...Rxe2!
- threat
- 1.Sc5?
- threat
- 2.Qd7#
- 1...Rxc1
- 2.Re4#
- 1...Bxe6
- 2.Sxe6#
- 1...Sxc4
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Bf3!
- threat
- 1.Sb8?
- threat
- 2.Qa7#
- 2.Qd7#
- 1...Rxc1
- 2.Re4#
- 1...Bxe6
- 2.Qa7#
- 1...dxe2
- 2.Qd7#
- 1...Bf3
- 2.Qa7#
- 1...Sb3
- 2.Sc6#
- 2.Qd7#
- 1...Sc6
- 2.Sxc6#
- 2.Qd7#
- 1...Sb7
- 2.Sc6#
- 1...Sxc4!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 2.Qd6#
- 1...Rxc1
- 2.Re4#
- 2.Qc5#
- 1...Bxe6
- 2.Qc5#
- 1...Sxc4
- 2.Qc5#
- 1...dxe2
- 2.Qd6#
- 1...Bf3
- 2.Qc5#
- 1...Sb3
- 2.Qd6#
- 1...Sb7!
- threat
- 1.Sxf4?
- Keys
- 1.Sde5!
- threat
- 2.Qa7#
- 1...Sxc4
- 2.Rxc4#
- 1...Sxh7
- 2.Sf3#
- 2.Sc6#
- 1...Sb3
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Se4
- 2.Sf3#
- 2.Sc6#
- 1...Sd5
- 2.Sf3#
- 2.Sc6#
- 1...Sd7
- 2.Sf3#
- 2.Sc6#
- 2.Qxd7#
- threat
- 1.Sde5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD,XR(A)::R1(D)
- R(a);N_GUARD::R1(D)
- B(g);N_GUARD::B(M),XS(h)
- Tries
- Try
- S(I);XP(d)
- Threat
- DUALS(2)
- Vars
- R(a);P_PINP(C),XR(D)::QAR1(K),XP(b)
- B(e);XR(D)::QAR1(K)
- B(g);XS(I)::QAR1(K)
- B(e);::QAR1(K),XP(b)
- Refutation
- B(e);
- Try
- S(I);N_PINS(h)
- Threat
- QAR1(K),XP(b)
- Vars
- P(b);XR(D)::QAR1(K)
- B(e);N_GUARD::S(I)
- Refutation
- B(e);XR(D)
- Try
- S(I);
- Threat
- QAR1(K)
- Vars
- B(e);N_GUARD::S(I)
- B(e);N_GUARD::S(I),XB(e)
- Refutation
- R(a);P_PINP(C),XR(D)
- Try
- S(J);
- Threat
- QAR(K)
- Vars
- R(a);N_GUARD,XR(A)::R1(D)
- B(e);P_PINP(F),XP(H)::S(J),XB(e)
- S(f);N_GUARD,XP(F)::S(J)
- S(f);N_GUARD::S(J)
- Refutation
- B(e);
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XR(A)::R1(D)
- B(e);P_PINP(F),XP(H)::QAB(K)
- P(b);XR(D)::QAR(K)
- B(e);::QAB(K)
- S(f);N_GUARD::S(J)
- Refutation
- S(f);XP(F)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- B(e);P_PINP(F),XP(H)::QAB1(K)
- S(f);XP(F)::QAB1(K)
- P(b);XR(D)::QAR2(K)
- B(e);::QAB1(K)
- S(f);::QAR2(K)
- Refutation
- S(f);
- Try
- Actual
- S(J);N_PINS(h)
- Threat
- QAB(K)
- Vars
- S(f);OGATE,XP(F)::R1(A),XS(f)
- S(f);N_GUARD::S(J)
- S(f);N_GUARD::S(J),XS(f)
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