MESON Chess Problem Database
Problem Display
PID: 76492 (1KNn3Q/2P5/1Nk4p/1p3nb1/6bq/3B2p1/8/2r1rRB1 w - - 0 1)
Gamage, Frederick
Frederick Gamage (Prcic), 2004
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qc3#
- 1...Rb1
- 2.Qc3#
- 1...Rcd1
- 2.Qc3#
- 1...Rc3
- 2.Qxc3#
- 1...Red1
- 2.Qe8#
- 1...Rxf1
- 2.Be4#
- 2.Qe8#
- 1...Re3
- 2.Rxc1#
- 1...Re4
- 2.Bxe4#
- 1...Re7
- 2.cxd8S#
- 1...Re8
- 2.Qxe8#
- 1...Be2
- 2.Qe8#
- 1...Be7
- 2.Qe8#
- 1...Sd6
- 2.Sa7#
- 1...Se7
- 2.cxd8S#
- 1...Se6
- 2.Qe8#
- 1...Ra1
- Tries
- 1.Qd4?
- threat
- 2.Sa7#
- 2.Qd5#
- 2.Qd7#
- 1...Qh1
- 2.Sa7#
- 2.Qd7#
- 1...Ra1
- 2.Qc3#
- 2.Qc5#
- 2.Qd5#
- 2.Qd7#
- 1...Rc5
- 2.Qxc5#
- 2.Qd7#
- 1...Re3
- 2.Sa7#
- 2.Rxc1#
- 2.Qd5#
- 1...Re5
- 2.Sa7#
- 2.Qd7#
- 1...Re7
- 2.Sa7#
- 2.Qd5#
- 2.cxd8S#
- 1...Bf3
- 2.Sa7#
- 2.Qd7#
- 1...Be3
- 2.Sa7#
- 2.Be4#
- 2.Qd5#
- 1...Se3
- 2.Sa7#
- 2.Qd6#
- 1...Sd6
- 2.Sa7#
- 2.Qd5#
- 2.Qxd6#
- 1...Se7
- 2.Sa7#
- 2.Qd6#
- 2.cxd8S#
- 1...Sg7
- 2.Sa7#
- 2.Qd5#
- 2.Qd6#
- 1...Sxd4!
- threat
- 1.Qe5?
- threat
- 2.Sa7#
- 2.Bxb5#
- 2.Qxb5#
- 2.Qd5#
- 1...Rc4
- 2.Sa7#
- 2.Qd5#
- 1...Qh1
- 2.Sa7#
- 2.Bxb5#
- 2.Qxb5#
- 1...Ra1
- 2.Bxb5#
- 2.Qc3#
- 2.Qxb5#
- 2.Qc5#
- 2.Qd5#
- 1...Rb1
- 2.Sa7#
- 2.Qc3#
- 2.Qc5#
- 2.Qd5#
- 1...Rc5
- 2.Qxc5#
- 1...Re3
- 2.Bxb5#
- 2.Rxc1#
- 2.Qxb5#
- 2.Qd5#
- 1...Be2
- 2.Sa7#
- 2.Qxb5#
- 2.Qd5#
- 2.Qe8#
- 1...Bf3
- 2.Sa7#
- 2.Bxb5#
- 2.Qxb5#
- 1...Be3
- 2.Be4#
- 2.Bxb5#
- 2.Qxb5#
- 2.Qd5#
- 1...Se3
- 2.Bxb5#
- 2.Qd6#
- 2.Qxb5#
- 1...Sd4
- 2.Qd6#
- 2.Qd5#
- 1...Sd6
- 2.Sa7#
- 2.Qxd6#
- 2.Qd5#
- 1...Se7
- 2.Sa7#
- 2.Bxb5#
- 2.Qd6#
- 2.Qxb5#
- 2.cxd8S#
- 1...b4
- 2.Sa7#
- 2.Bb5#
- 2.Qb5#
- 2.Qd5#
- 1...Rxe5!
- threat
- 1.Qxd8?
- threat
- 2.Sa7#
- 2.Qd5#
- 2.Qd7#
- 1...Re3
- 2.Rxc1#
- 2.Qd5#
- 1...Be3
- 2.Qd5#
- 1...Se3
- 2.Qd6#
- 1...Sd4
- 2.Qd5#
- 2.Qd6#
- 1...Qh1
- 2.Sa7#
- 2.Qd7#
- 1...Ra1
- 2.Qd5#
- 2.Qd7#
- 1...Rc5
- 2.Qd7#
- 1...Re5
- 2.Sa7#
- 2.Qd7#
- 1...Re7
- 2.Sa7#
- 2.Qd5#
- 1...Bf3
- 2.Sa7#
- 2.Qd7#
- 1...Sd6
- 2.Sa7#
- 2.Qxd6#
- 1...Se7
- 2.Sa7#
- 2.Qd6#
- 1...Sg7
- 2.Sa7#
- 2.Qd5#
- 2.Qd6#
- 1...Bxd8!
- threat
- 1.Qd4?
- Keys
- 1.Qf8!
- threat
- 2.Sa7#
- 1...Ra1
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Re3
- 2.Rxc1#
- 1...Re7
- 2.cxd8S#
- 1...Be3
- 2.Be4#
- 1...Be7
- 2.Qe8#
- 1...Se3
- 2.Qd6#
- 1...Sd4
- 2.Qd6#
- 1...Se7
- 2.cxd8S#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::QAR(H)
- R(a);N_GUARD::QAR(H),XR(a)
- R(b);N_GUARD::QAB(H)
- R(b);OGATE::R(A),XR(a)
- R(b);N_GUARD::B(C),XR(b)
- R(b);S_CUTB(h)::PXS(k)=S
- R(b);N_GUARD::QAB(H),XR(b)
- B(d);S_CUTR(b)::QAB(H)
- B(h);S_CUTR(b)::QAB(H)
- S(g);SBLOCK::S(G)
- S(g);S_CUTB(h)::PXS(k)=S
- S(k);S_CUTR(b)::QAB(H)
- Tries
- Try
- Q(H);
- Threat
- DUALS(3)
- Refutation
- S(g);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- R(a);N_GUARD::QAR1(H),XR(a)
- Refutation
- R(b);XQ(H)
- Try
- Q(H);XS(k)
- Threat
- DUALS(3)
- Vars
- B(h);::QAB1(H)
- S(g);N_GUARD::QAR1(H)
- R(a);::QAB1(H)
- Refutation
- B(h);XQ(H)
- Try
- Actual
- Q(H);
- Threat
- S(G)
- Vars
- R(a);N_GUARD::QAR1(H)
- R(a);N_GUARD::QAR1(H),XR(a)
- R(b);OGATE::R(A),XR(a)
- R(b);S_CUTB(h)::PXS(k)=S
- B(h);S_CUTR(b)::B(C)
- B(h);S_CUTR(b)::QAB(H)
- S(g);N_GUARD::QAR1(H)
- S(g);S_CUTB(h)::PXS(k)=S
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