MESON Chess Problem Database
Problem Display
PID: 134844 (8/1N6/1P1n1P2/3q4/1R1B2N1/p2k1B2/2pPb2p/2K1R2n w - - 0 1)
Schroder, Jochen C
Die Schwalbe, 2009
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Se5#
- 2.Sc5#
- 1...Qb3
- 2.Se5#
- 2.Sc5#
- 1...Qxf3
- 2.Sc5#
- 1...Qe4
- 2.Sc5#
- 1...Qc6
- 2.Se5#
- 1...Qe6
- 2.Sc5#
- 1...Qxb7
- 2.Se5#
- 1...Qf7
- 2.Se5#
- 2.Sc5#
- 1...Qg8
- 2.Se5#
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Bxf3
- 2.Re3#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...Se4
- 2.Bxe2#
- 1...Qa2
- Tries
- 1.Bxd5?
- threat
- 2.Se5#
- 2.Sc5#
- 1...Bxg4
- 2.Sc5#
- 2.Re3#
- 1...Sxb7
- 2.Se5#
- 1...Se4
- 2.Se5#
- 1...Sf7
- 2.Sc5#
- 1...Sc4!
- threat
- 1.Bg1?
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Se5#
- 2.Sc5#
- 2.Rd4#
- 1...Bxf3
- 2.Re3#
- 1...Qc4
- 2.Se5#
- 1...Qe4
- 2.Sc5#
- 1...Qe6
- 2.Sc5#
- 2.Rd4#
- 1...Qd4
- 2.Rxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sg3
- 2.Sf2#
- 1...Sc4
- 2.Rb3#
- 1...hxg1S!
- threat
- 1.Bb2?
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Se5#
- 2.Sc5#
- 2.Rd4#
- 1...Bxf3
- 2.Re3#
- 1...Qc4
- 2.Se5#
- 1...Qe4
- 2.Sc5#
- 1...Qe6
- 2.Sc5#
- 2.Rd4#
- 1...Qd4
- 2.Rxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sg3
- 2.Sf2#
- 1...Sc4
- 2.Rb3#
- 1...axb2+!
- threat
- 1.Bf2?
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Se5#
- 2.Sc5#
- 2.Rd4#
- 1...Bxf3
- 2.Re3#
- 1...Qc4
- 2.Se5#
- 1...Qe4
- 2.Sc5#
- 1...Qe6
- 2.Sc5#
- 2.Rd4#
- 1...Qd4
- 2.Rxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sc4
- 2.Rb3#
- 1...Sg3!
- threat
- 1.Bc3?
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Se5#
- 2.Sc5#
- 2.Rd4#
- 1...Bxf3
- 2.Re3#
- 1...Qc4
- 2.Se5#
- 1...Qe4
- 2.Sc5#
- 1...Qe6
- 2.Sc5#
- 2.Rd4#
- 1...Qd4
- 2.Rxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sg3
- 2.Sf2#
- 1...Sc4!
- threat
- 1.Bc5?
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Se5#
- 2.Rd4#
- 1...Bxf3
- 2.Re3#
- 1...Qc4
- 2.Se5#
- 1...Qe6
- 2.Rd4#
- 1...Qd4
- 2.Rxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sg3
- 2.Sf2#
- 1...Sc4
- 2.Rb3#
- 1...Qe4!
- threat
- 1.Be5?
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Sc5#
- 2.Rd4#
- 1...Qxe5
- 2.Sxe5#
- 1...Bxf3
- 2.Re3#
- 1...Qe4
- 2.Sc5#
- 1...Qd4
- 2.Rxd4#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sg3
- 2.Sf2#
- 1...Sc4
- 2.Rb3#
- 1...Qc4!
- threat
- 1.Bxd5?
- Keys
- 1.Ba1!
- threat
- 2.Bxe2#
- 1...Qxf3
- 2.Se5#
- 2.Sc5#
- 2.Rd4#
- 1...Bxf3
- 2.Re3#
- 1...Qc4
- 2.Se5#
- 1...Qe4
- 2.Sc5#
- 1...Qe6
- 2.Sc5#
- 2.Rd4#
- 1...Qd4
- 2.Rxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Bd1
- 2.Re3#
- 1...Bf1
- 2.Re3#
- 1...Sg3
- 2.Sf2#
- 1...Sc4
- 2.Rb3#
- threat
- 1.Ba1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(g);N_GUARD,XB(D)::S(J)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD,XS(J)::S(G)
- Q(g);N_GUARD::S(J),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- B(c);OGATE,XB(D)::R1(B)
- S(a);N_GUARD::S(G),XS(a)
- S(a);N_GUARD::S(G)
- S(h);SBLOCK::B(D),XB(c)
- Tries
- Try
- B(D);XQ(g)
- Threat
- DUALS(2)
- Vars
- S(h);XS(J)::S(G)
- S(h);::S(G)
- S(h);::S(J)
- Refutation
- S(h);
- Try
- B(F);
- Threat
- B(D),XB(c)
- Vars
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- S(a);N_GUARD::S(G)
- S(h);SBLOCK,S_CUTQ(g)::R(E)
- Refutation
- P(d);XB(F)
- Try
- B(F);
- Threat
- B(D),XB(c)
- Vars
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- S(a);N_GUARD::S(G)
- S(h);SBLOCK,S_CUTQ(g)::R(E)
- Refutation
- P(e);CHECK,XB(F)
- Try
- B(F);
- Threat
- B(D),XB(c)
- Vars
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- S(h);SBLOCK,S_CUTQ(g)::R(E)
- Refutation
- S(a);
- Try
- B(F);
- Threat
- B(D),XB(c)
- Vars
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- S(a);N_GUARD::S(G)
- Refutation
- S(h);
- Try
- B(F);
- Threat
- B(D),XB(c)
- Vars
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD::R1(E)
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- S(a);N_GUARD::S(G)
- S(h);SBLOCK,S_CUTQ(g)::R(E)
- Refutation
- Q(g);
- Try
- B(F);
- Threat
- B(D),XB(c)
- Vars
- Q(g);XB(F)::S(G),XQ(g)
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::R1(E),XQ(g)
- B(c);OGATE::R1(B)
- S(a);N_GUARD::S(G)
- S(h);SBLOCK,S_CUTQ(g)::R(E)
- Refutation
- Q(g);
- Try
- Actual
- B(F);
- Threat
- B(D),XB(c)
- Vars
- B(c);OGATE,XB(D)::R1(B)
- Q(g);N_GUARD::S(G)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(G),XQ(g)
- B(c);OGATE::R1(B)
- S(a);N_GUARD::S(G)
- S(h);SBLOCK,S_CUTQ(g)::R(E)
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