MESON Chess Problem Database
Problem Display
PID: 77067 (2b4q/1P5Q/1r1kp1N1/rn1nN3/B4P1b/8/pR3B2/K2R4 w - - 0 1)
Gamage, Frederick
Frederick Gamage (Prcic), 2004
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.bxc8S#
- 1...Bxf2
- 2.Qe7#
- 1...Bg3
- 2.Qe7#
- 1...Be7
- 2.Qxe7#
- 1...Bd8
- 2.bxc8S#
- 1...Bxb7
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Sa3
- 2.Rxb6#
- 1...Sc3
- 2.Sc4#
- 2.Rxb6#
- 1...Sa7
- 2.Sc4#
- 1...Sc7
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 1...Qf6
- Tries
- 1.Qc7+?
- 1...Sxc7
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 1...Kxc7!
- 1...Sxc7
- 1.bxc8Q?
- threat
- 2.Sc4#
- 2.Sf7#
- 2.Bc5#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qc5#
- 1...Qxe5
- 2.Bc5#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qc5#
- 2.fxe5#
- 1...Qxh7
- 2.Sc4#
- 2.Bc5#
- 2.Qc5#
- 1...Rxa4
- 2.Sf7#
- 2.Bc5#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qc5#
- 1...Bxf2
- 2.Sc4#
- 2.Sf7#
- 2.Qhd7#
- 2.Qe7#
- 1...Qf6
- 2.Sc4#
- 2.Bc5#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qc5#
- 1...Qg7
- 2.Sc4#
- 2.Bc5#
- 2.Qc5#
- 1...Qd8
- 2.Sc4#
- 2.Sf7#
- 2.Bc5#
- 2.Qc5#
- 1...Qe8
- 2.Sc4#
- 2.Bc5#
- 2.Qc5#
- 1...Qf8
- 2.Sc4#
- 2.Bc5#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qc5#
- 1...Qg8
- 2.Sc4#
- 2.Bc5#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qc5#
- 1...Ra7
- 2.Sc4#
- 2.Bc5#
- 2.Qc5#
- 1...Rc6
- 2.Sf7#
- 2.Qcd7#
- 2.Qhd7#
- 2.Qxc6#
- 1...Rb7
- 2.Sc4#
- 2.Bc5#
- 2.Qc5#
- 2.Qc6#
- 1...Be7
- 2.Sc4#
- 2.Sf7#
- 2.Bc5#
- 2.Qd7#
- 2.Qxe7#
- 2.Qc5#
- 1...Sa3
- 2.Sf7#
- 2.Rxb6#
- 2.Qcd7#
- 2.Qhc7#
- 2.Qhd7#
- 2.Qcc7#
- 1...Sc3
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 2.Qcd7#
- 2.Qhc7#
- 2.Qhd7#
- 2.Qcc7#
- 1...Sd4
- 2.Sc4#
- 2.Sf7#
- 2.Qhd7#
- 1...Sa7
- 2.Sc4#
- 2.Sf7#
- 2.Qcd7#
- 2.Qhc7#
- 2.Qhd7#
- 2.Qcc7#
- 1...Sc7
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 2.Qcd7#
- 2.Qhxc7#
- 2.Qhd7#
- 2.Qcxc7#
- 1...Qxc8!
- threat
- 1.bxc8R?
- threat
- 2.Sc4#
- 2.Bc5#
- 2.Qd7#
- 1...Qxe5
- 2.Bc5#
- 2.fxe5#
- 1...Qxh7
- 2.Bc5#
- 1...Rxa4
- 2.Bc5#
- 2.Qd7#
- 1...Bxf2
- 2.Sc4#
- 2.Qd7#
- 2.Qe7#
- 1...Qg7
- 2.Bc5#
- 1...Qd8
- 2.Sc4#
- 2.Bc5#
- 1...Qe8
- 2.Sc4#
- 2.Bc5#
- 1...Ra7
- 2.Sc4#
- 2.Bc5#
- 1...Rc6
- 2.Rxc6#
- 2.Qd7#
- 1...Rb7
- 2.Sc4#
- 2.Bc5#
- 2.Rc6#
- 1...Be7
- 2.Bc5#
- 2.Qxe7#
- 1...Sa3
- 2.Sf7#
- 2.Rxb6#
- 2.Qc7#
- 2.Qd7#
- 1...Sc3
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 2.Qc7#
- 2.Qd7#
- 1...Sd4
- 2.Sc4#
- 2.Sf7#
- 2.Qd7#
- 1...Sa7
- 2.Sc4#
- 2.Sf7#
- 2.Qc7#
- 2.Qd7#
- 1...Sc7
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 2.Qxc7#
- 2.Qd7#
- 1...Qxc8!
- threat
- 1.b8Q+?
- 1...Sc7
- 2.Sc4#
- 2.Sf7#
- 2.Rxb6#
- 2.Qbxc7#
- 2.Qhxc7#
- 2.Qxb6#
- 1...Rxb8!
- 1...Sc7
- 1.b8B+?
- 1...Sc7
- 2.Sc4#
- 2.Sf7#
- 2.Bxc7#
- 2.Rxb6#
- 2.Qxc7#
- 1...Rxb8!
- 1...Sc7
- 1.Qc7+?
- Keys
- 1.Rc2!
- threat
- 2.Bc5#
- 1...Qxe5+
- 2.fxe5#
- 1...Qxh7
- 2.bxc8S#
- 1...Bxf2
- 2.Qe7#
- 1...Qg7
- 2.bxc8S#
- 1...Rc6
- 2.Rxc6#
- 1...Be7
- 2.Qxe7#
- 1...Bd7
- 2.Qxd7#
- 1...Sa3
- 2.Qc7#
- 1...Sc3
- 2.Sc4#
- 1...Sd4
- 2.Sf7#
- 1...Sa7
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- Q(j);N_GUARD::PXB(i)=S
- B(b);N_GUARD,XB(D)::QAB1(J)
- B(b);N_GUARD::QAB1(J)
- B(b);N_GUARD::QAB1(J),XB(b)
- B(b);S_CUTQ(j)::PXB(i)=S
- B(i);N_GUARD,XP(I)::QAR1(J)
- B(i);N_GUARD::QAR1(J),XB(i)
- S(d);OGATE::R(C),XR(f)
- S(d);::S(G)
- Tries
- Try
- Q(J);CHECK
- Refutation
- K(g);N_SPINS(e),S_FLIGHT,XQ(J)
- Try
- P(I);XB(i)
- Threat
- DUALS(6)
- Refutation
- Q(j);XQ(I)
- Try
- P(I);XB(i)
- Threat
- DUALS(3)
- Vars
- Q(j);XQ(J)::B(D)
- Q(j);::B(D)
- Refutation
- Q(j);XR(I)
- Try
- P(I);CHECK
- Refutation
- R(f);XQ(I)
- Try
- P(I);CHECK
- Refutation
- R(f);XB(I)
- Try
- Actual
- R(C);P_SPINS(G)
- Threat
- B(D)
- Vars
- Q(j);CHECK,OGATE,XS(G)::P(F),XQ(j)
- Q(j);N_GUARD,N_PINS(G),XQ(J)::PXB(i)=S
- B(b);N_GUARD,XB(D)::QAB1(J)
- Q(j);N_GUARD::PXB(i)=S
- R(f);N_GUARD::R1(C),XR(f)
- B(b);N_GUARD::QAB1(J),XB(b)
- B(i);N_GUARD::QAR1(J),XB(i)
- S(d);N_GUARD::QAB1(J)
- S(d);N_PINS(G)::S(G)
- S(d);N_PINS(G),N_SPINS(e)::S(G)
- S(d);N_GUARD::QAB1(J),XS(d)
Developed and maintained by Brian Stephenson.
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