MESON Chess Problem Database
Problem Display
PID: 199932 (4K3/2pBb3/3k3B/4Rp2/5p2/2p5/4RN2/1nQ1n2r w - - 0 1)
Burda, Josef
Sachove umeni (Ceskoslovensky sach), 2018
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Bf8
- 2.Bxf8#
- 1...Bf8
- Tries
- 1.Ra5?
- threat
- 2.Bxf4#
- 2.Re6#
- 2.Qxf4#
- 1...Rxh6
- 2.Qxf4#
- 1...c6
- 2.Bxf4#
- 2.Qxf4#
- 1...Rh4
- 2.Re6#
- 1...Bg5
- 2.Re6#
- 1...Bf6
- 2.Re6#
- 1...Sd2
- 2.Bxf4#
- 2.Re6#
- 1...Sg2
- 2.Re6#
- 1...Sd3
- 2.Re6#
- 1...Sf3
- 2.Re6#
- 1...f3
- 2.Bf4#
- 2.Re6#
- 2.Qf4#
- 1...c5!
- threat
- 1.Rb5?
- threat
- 2.Bxf4#
- 2.Re6#
- 2.Qxf4#
- 1...Rxh6
- 2.Qxf4#
- 1...c6
- 2.Bxf4#
- 2.Qxf4#
- 1...Rh4
- 2.Re6#
- 1...Bg5
- 2.Re6#
- 1...Bf6
- 2.Re6#
- 1...Sd2
- 2.Bxf4#
- 2.Re6#
- 1...Sg2
- 2.Re6#
- 1...Sd3
- 2.Re6#
- 1...Sf3
- 2.Re6#
- 1...f3
- 2.Bf4#
- 2.Re6#
- 2.Qf4#
- 1...c5!
- threat
- 1.Qa3+?
- 1...c5
- 2.Qxc5#
- 1...Sxa3!
- 1...c5
- 1.Qd1+?
- 1...Sd3
- 2.Qxd3#
- 1...Sd2!
- 1...Sd3
- 1.Qxc3?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qc6#
- 1...c5
- 2.Qxc5#
- 1...c6
- 2.Qxc6#
- 1...Sc2
- 2.Qc5#
- 2.Qc6#
- 1...Sd3
- 2.Qd4#
- 2.Qxd3#
- 2.Qc6#
- 1...Sf3
- 2.Qc5#
- 2.Qc6#
- 1...Sxc3!
- threat
- 1.Ra5?
- Keys
- 1.Rxf5!
- threat
- 2.Se4#
- 2.Bxf4#
- 2.Re6#
- 2.Qxf4#
- 1...Rxh6
- 2.Se4#
- 2.Qxf4#
- 1...c5
- 2.Bxf4#
- 2.Qxf4#
- 1...c6
- 2.Bxf4#
- 2.Qxf4#
- 1...Rh4
- 2.Se4#
- 2.Re6#
- 1...Bg5
- 2.Se4#
- 2.Re6#
- 1...Bf6
- 2.Se4#
- 2.Re6#
- 1...Sd2
- 2.Bxf4#
- 2.Re6#
- 1...Sg2
- 2.Se4#
- 2.Re6#
- 1...Sd3
- 2.Se4#
- 2.Re6#
- 1...Sf3
- 2.Se4#
- 2.Re6#
- 1...f3
- 2.Se4#
- 2.Bf4#
- 2.Re6#
- 2.Qf4#
- threat
- 1.Rxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(i);OGATEB::B(E),XB(i)
- Tries
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(c);XB(E)::QAB(A),XP(e)
- R(c);::R1(B)
- B(i);::R1(B)
- S(b);::R1(B)
- Refutation
- P(h);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(c);XB(E)::QAB(A),XP(e)
- R(c);::R1(B)
- B(i);::R1(B)
- S(b);::R1(B)
- Refutation
- P(h);
- Try
- Q(A);CHECK
- Vars
- P(h);P_SPINP(h)::QAB1(A),XP(h)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR(A),XS(b)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(A);XP(d)
- Threat
- DUALS(3)
- Vars
- P(h);::QAB1(A),XP(h)
- P(h);::QAR1(A),XP(h)
- Refutation
- S(a);XQ(A)
- Try
- Actual
- R(D);XP(f)
- Threat
- DUALS(4)
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