MESON Chess Problem Database
Problem Display
PID: 149194 (3Q4/2p5/1q2p3/4kp2/2P2R2/3Bp1P1/5P1K/2BbN3 w - - 0 1)
Kohring, Rolf
Best Problems, 2011
#2
9 + 7
| 15148 | Sadier Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qxd4#
- 1...Qa5
- 2.Qd4#
- 1...Qb1
- 2.Qd4#
- 1...Qb2
- 2.Bxb2#
- 1...Qb3
- 2.Qd4#
- 1...Qb4
- 2.Qd4#
- 1...Qb5
- 2.Qd4#
- 1...Qa6
- 2.Bb2#
- 2.Qd4#
- 1...Qc6
- 2.Bb2#
- 2.Qd4#
- 1...Qd6
- 2.Qh8#
- 1...Qb7
- 2.Qd4#
- 1...Qb8
- 2.Qd4#
- 1...Bc2
- 2.Sf3#
- 1...Bb3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Ba4
- 2.Sf3#
- 1...e2
- 2.Sf3#
- 1...Qd4
- Tries
- 1.Bb2+?
- 1...Qd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Qxb2!
- 1...Qd4
- 1.Bb1?
- threat
- 2.Sd3#
- 1...Qxb1
- 2.Qd4#
- 1...Qd4
- 2.Qxd4#
- 1...Qb3
- 2.Qd4#
- 1...Qd6
- 2.Qh8#
- 1...Bc2
- 2.Sf3#
- 1...Be2!
- threat
- 1.Bf1?
- threat
- 2.Sd3#
- 1...Qd4
- 2.Qxd4#
- 1...Qb1
- 2.Qd4#
- 1...Qb3
- 2.Qd4#
- 1...Qd6
- 2.Qh8#
- 1...Bc2
- 2.Sf3#
- 1...Be2!
- threat
- 1.Bc2?
- threat
- 2.Sd3#
- 1...Bxc2
- 2.Sf3#
- 1...Qd4
- 2.Qxd4#
- 1...Qb3
- 2.Qd4#
- 1...Qd6
- 2.Qh8#
- 1...Be2!
- threat
- 1.Be2?
- threat
- 2.Sd3#
- 2.Sf3#
- 1...Qd4
- 2.Sf3#
- 2.Qxd4#
- 1...Qb1
- 2.Sf3#
- 2.Qd4#
- 1...Qb3
- 2.Sf3#
- 2.Qd4#
- 1...Qc6
- 2.Sd3#
- 2.Bb2#
- 2.Qd4#
- 1...Qd6
- 2.Sf3#
- 2.Qh8#
- 1...Qb7
- 2.Sd3#
- 2.Qd4#
- 1...Bc2
- 2.Sf3#
- 1...Bxe2!
- threat
- 1.Rd4?
- threat
- 2.Qh8#
- 2.f4#
- 1...exf2
- 2.Bf4#
- 2.Qh8#
- 1...Qd6
- 2.Qh8#
- 1...Qb2
- 2.Qh8#
- 1...Qb8
- 2.f4#
- 1...Bf3
- 2.Sxf3#
- 2.Qh8#
- 1...f4
- 2.Qh8#
- 2.gxf4#
- 1...Qxd4!
- threat
- 1.Rg4?
- threat
- 2.f4#
- 1...exf2
- 2.Bf4#
- 1...Qd4
- 2.Qxd4#
- 1...Qb2
- 2.Bxb2#
- 1...Qd6
- 2.Qh8#
- 1...Bf3
- 2.Sxf3#
- 1...f4
- 2.Rg5#
- 2.gxf4#
- 1...fxg4!
- threat
- 1.Bb2+?
- Keys
- 1.Rh4!
- threat
- 2.f4#
- 1...exf2
- 2.Bf4#
- 1...Qd4
- 2.Qxd4#
- 1...Qb2
- 2.Bxb2#
- 1...Qd6
- 2.Qh8#
- 1...Bf3
- 2.Sxf3#
- 1...f4
- 2.gxf4#
- threat
- 1.Rh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(e);N_GUARD::QAB1(I),XQ(e)
- Q(e);N_GUARD::QAB1(I)
- Q(e);N_GUARD,P_PINP(C)::B(A),XQ(e)
- Q(e);SBLOCK::QAB(I)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- P(b);S_CUTB(a)::S(B)
- Tries
- Try
- B(A);CHECK
- Refutation
- Q(e);P_PINP(C),XB(A)
- Try
- B(E);
- Threat
- S(B)
- Vars
- Q(e);N_GUARD,XB(E)::QAB1(I)
- Q(e);N_GUARD::QAB1(I),XQ(e)
- Q(e);N_GUARD::QAB1(I)
- Q(e);SBLOCK::QAB(I)
- B(a);N_GUARD::S(B)
- Refutation
- B(a);
- Try
- B(E);
- Threat
- S(B)
- Vars
- Q(e);N_GUARD::QAB1(I),XQ(e)
- Q(e);N_GUARD::QAB1(I)
- Q(e);SBLOCK::QAB(I)
- B(a);N_GUARD::S(B)
- Refutation
- B(a);
- Try
- B(E);
- Threat
- S(B)
- Vars
- B(a);N_GUARD,XB(E)::S(B)
- Q(e);N_GUARD::QAB1(I),XQ(e)
- Q(e);N_GUARD::QAB1(I)
- Q(e);SBLOCK::QAB(I)
- Refutation
- B(a);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(a);::S(B)
- Refutation
- B(a);XB(E)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- Q(e);::QAB(I)
- Q(e);P_PINP(C)::QAB(I)
- Q(e);::P(C)
- Refutation
- Q(e);XR(H)
- Try
- R(H);
- Threat
- P(C)
- Vars
- P(b);OGATE,XP(C)::B(A)
- Q(e);N_GUARD::QAB1(I),XQ(e)
- Q(e);N_GUARD,P_PINP(C)::B(A),XQ(e)
- Q(e);SBLOCK::QAB(I)
- B(a);N_GUARD::S(B),XB(a)
- Refutation
- P(d);XR(H)
- Try
- Actual
- R(H);
- Threat
- P(C)
- Vars
- P(b);OGATE,XP(C)::B(A)
- Q(e);N_GUARD::QAB1(I),XQ(e)
- Q(e);N_GUARD,P_PINP(C)::B(A),XQ(e)
- Q(e);SBLOCK::QAB(I)
- B(a);N_GUARD::S(B),XB(a)
- P(d);OGATE::P(F),XP(d)
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