MESON Chess Problem Database
Problem Display
PID: 266092 (K4B2/p2p4/r7/1PNkp3/1PNp1p2/6Q1/6b1/5Bn1 w - - 0 1)
Burda, Josef
Sachova skladba, 2022
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qg8#
- 1...Ra2
- 2.Qg8#
- 1...Ra3
- 2.Qg8#
- 1...Ra4
- 2.Qg8#
- 1...Ra5
- 2.Qg8#
- 1...d3
- 2.Qxd3#
- 1...f3
- 2.Qxe5#
- 1...e4
- 2.Qg5#
- 1...d6
- 2.Qg8#
- 1...Ra1
- Tries
- 1.Sb2?
- threat
- 2.Bc4#
- 2.Qb3#
- 1...fxg3
- 2.Bc4#
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qg5#
- 1...Ra3
- 2.Bc4#
- 2.Qg8#
- 1...Bf3
- 2.Bc4#
- 1...Se2
- 2.Qb3#
- 1...Sf3
- 2.Bc4#
- 1...f3
- 2.Bc4#
- 1...Bxf1!
- threat
- 1.Sd2?
- threat
- 2.Bc4#
- 2.Qb3#
- 1...fxg3
- 2.Bc4#
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qg5#
- 1...Ra3
- 2.Bc4#
- 2.Qg8#
- 1...Bf3
- 2.Bc4#
- 1...Se2
- 2.Qb3#
- 1...Sf3
- 2.Bc4#
- 1...f3
- 2.Bc4#
- 1...Bxf1!
- threat
- 1.Sa3?
- threat
- 2.Bc4#
- 2.Qb3#
- 1...Rxa3
- 2.Qg8#
- 1...fxg3
- 2.Bc4#
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qg5#
- 1...Bf3
- 2.Bc4#
- 1...Se2
- 2.Qb3#
- 1...Sf3
- 2.Bc4#
- 1...f3
- 2.Bc4#
- 1...Bxf1!
- threat
- 1.Sa5?
- threat
- 2.Bc4#
- 2.Qb3#
- 1...Rxa5
- 2.Qb3#
- 2.Qg8#
- 1...fxg3
- 2.Bc4#
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qg5#
- 1...Bf3
- 2.Bc4#
- 1...Se2
- 2.Qb3#
- 1...Sf3
- 2.Bc4#
- 1...f3
- 2.Bc4#
- 1...Bxf1!
- threat
- 1.Sb6+?
- 1...Rxb6
- 2.Qb3#
- 1...axb6+!
- 1...Rxb6
- 1.Qb3?
- threat
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...Bxf1
- 2.Se3#
- 2.Sb6#
- 1...d3
- 2.Qxd3#
- 1...Ra3
- 2.Sxa3#
- 2.Se3#
- 2.Sb6#
- 1...Ra5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sxa5#
- 2.Sb6#
- 2.Sd6#
- 1...Rb6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...Rd6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...d6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...e4!
- threat
- 1.Sb2?
- Keys
- 1.Sd6!
- threat
- 2.Bc4#
- 2.Qb3#
- 2.Qg8#
- 1...Rxd6
- 2.Qb3#
- 1...Bxf1
- 2.Qg8#
- 1...fxg3
- 2.Bc4#
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qg5#
- 1...Ra3
- 2.Bc4#
- 2.Qg8#
- 1...Bf3
- 2.Bc4#
- 2.Qg8#
- 1...Bh3
- 2.Bc4#
- 2.Qb3#
- 1...Se2
- 2.Qb3#
- 2.Qg8#
- 1...Sf3
- 2.Bc4#
- 2.Qg8#
- 1...f3
- 2.Bc4#
- 2.Qg8#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(g);N_GUARD::QAB(B)
- P(c);OGATEB::QAR2(B),XP(c)
- P(d);OGATE::QAR1(B),XP(f)
- P(f);OGATEB::QAR(B)
- P(i);S_CUTR(g)::QAB(B)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(d);XQ(B)::B(A)
- P(c);OGATEB::QAR2(B),XP(c)
- P(f);OGATEB::QAR(B)
- B(b);::B(A)
- S(a);::QAB(B)
- S(a);::B(A)
- P(d);::B(A)
- Refutation
- B(b);XB(A)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(d);XQ(B)::B(A)
- P(c);OGATEB::QAR2(B),XP(c)
- P(f);OGATEB::QAR(B)
- B(b);::B(A)
- S(a);::QAB(B)
- S(a);::B(A)
- P(d);::B(A)
- Refutation
- B(b);XB(A)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XS(D)::QAB(B)
- P(d);XQ(B)::B(A)
- P(c);OGATEB::QAR2(B),XP(c)
- P(f);OGATEB::QAR(B)
- B(b);::B(A)
- S(a);::QAB(B)
- S(a);::B(A)
- P(d);::B(A)
- Refutation
- B(b);XB(A)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(d);XQ(B)::B(A)
- P(c);OGATEB::QAR2(B),XP(c)
- P(f);OGATEB::QAR(B)
- B(b);::B(A)
- S(a);::QAB(B)
- S(a);::B(A)
- P(d);::B(A)
- Refutation
- B(b);XB(A)
- Try
- S(D);CHECK
- Vars
- R(g);XS(D)::QAB(B)
- Refutation
- P(h);CHECK,XS(D)
- Try
- Q(B);
- Threat
- DUALS(7)
- Vars
- P(c);OGATEB::QAR2(B),XP(c)
- Refutation
- P(f);
- Try
- Actual
- S(D);
- Threat
- DUALS(3)
- Vars
- R(g);XS(D)::QAB(B)
- B(b);XB(A)::QAB(B)
- P(d);XQ(B)::B(A)
- P(c);OGATEB::QAR2(B),XP(c)
- P(f);OGATEB::QAR(B)
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