MESON Chess Problem Database
Problem Display
PID: 205174 (8/3bp3/pKPkP2p/1p1N1Qr1/2R3B1/2P1N3/r2PR3/8 w - - 0 1)
di Scala, Pascal
Phenix, 1995
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Rg6
- 2.Qf4#
- 1...Rg7
- 2.Qf4#
- 1...Rg8
- 2.Qf4#
- 1...Bxc6
- 2.Rxc6#
- 1...Bxe6
- 2.Qxe6#
- 1...bxc4
- 2.Sxc4#
- 1...Rg6
- Tries
- 1.Sf4?
- threat
- 2.Rd4#
- 1...Rxd2
- 2.Rxd2#
- 1...Rxf5
- 2.Sxf5#
- 1...Bxc6
- 2.Rxc6#
- 1...Bxe6
- 2.Qxe6#
- 1...bxc4
- 2.Sxc4#
- 1...Ra4!
- threat
- 1.Sf6?
- threat
- 2.Se4#
- 2.Rd4#
- 1...Rxd2
- 2.Se4#
- 2.Rxd2#
- 1...Rxg4
- 2.Qd5#
- 1...Rxf5
- 2.Sxf5#
- 1...Bxc6
- 2.Rxc6#
- 1...Bxe6
- 2.Se4#
- 2.Se8#
- 2.Qxe6#
- 1...bxc4
- 2.Sxc4#
- 2.Se4#
- 1...Ra4
- 2.Se4#
- 1...exf6!
- threat
- 1.Sc7?
- threat
- 2.Rd4#
- 1...Rxd2
- 2.Rxd2#
- 1...Rxg4
- 2.Qc5#
- 2.Qd5#
- 1...Rxf5
- 2.Sxf5#
- 1...Bxc6
- 2.Rxc6#
- 1...Bxe6
- 2.Se8#
- 2.Qxe6#
- 1...bxc4
- 2.Sxc4#
- 1...Ra4!
- threat
- 1.cxd7?
- threat
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rxd2
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rxg4
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...bxc4
- 2.Sxc4#
- 2.d8Q#
- 2.d8R#
- 1...Ra4
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Ra1
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rb2
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rc2
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Ra3
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Ra5
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rg6
- 2.Rc6#
- 2.Qf4#
- 2.d8Q#
- 2.d8R#
- 1...Rg7
- 2.Rc6#
- 2.Qf4#
- 2.d8Q#
- 2.d8R#
- 1...Rg8
- 2.Rc6#
- 2.Qf4#
- 1...b4
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...a5
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.Rc6#
- 2.d8Q#
- 2.d8R#
- 1...Rxf5!
- threat
- 1.exd7?
- threat
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rxd2
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rxg4
- 2.d8Q#
- 2.d8R#
- 1...bxc4
- 2.Sxc4#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Ra4
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Ra1
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rb2
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rc2
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Ra3
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Ra5
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rg6
- 2.d8Q#
- 2.d8R#
- 1...Rg7
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rg8
- 2.Qe6#
- 1...b4
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...a5
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.Qe6#
- 2.Qf6#
- 2.Qf8#
- 2.d8Q#
- 2.d8R#
- 1...e6
- 2.Qxe6#
- 2.d8Q#
- 2.d8R#
- 1...Rxf5!
- threat
- 1.Sf4?
- Keys
- 1.Sb4!
- threat
- 2.Rd4#
- 1...Rxd2
- 2.Rxd2#
- 1...Rxg4
- 2.Qd5#
- 1...Rxf5
- 2.Sxf5#
- 1...Bxc6
- 2.Rxc6#
- 1...Bxe6
- 2.Qxe6#
- 1...bxc4
- 2.Sxc4#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(c);N_GUARD::QAB(H)
- B(g);OGATE,XP(J)::R1(E),XB(g)
- B(g);OGATE,XP(K)::QAR1(H),XB(g)
- P(b);XR(E)::S(D),XP(b)
- Tries
- Try
- S(G);
- Threat
- R(E)
- Vars
- R(a);OGATE,XP(A)::R(B),XR(a)
- R(c);XQ(H)::S(D),XR(c)
- B(g);OGATE,XP(J)::R1(E),XB(g)
- B(g);OGATE,XP(K)::QAR1(H),XB(g)
- P(b);XR(E)::S(D),XP(b)
- Refutation
- R(a);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XB(F)::QAR1(H)
- R(c);XQ(H)::S(D),XR(c)
- B(g);OGATE,XP(J)::R1(E),XB(g)
- R(a);::S(G)
- Refutation
- P(h);XS(G)
- Try
- S(G);
- Threat
- R(E)
- Vars
- R(a);OGATE,XP(A)::R(B),XR(a)
- R(c);XQ(H)::S(D),XR(c)
- B(g);OGATE,XP(J)::R1(E),XB(g)
- P(b);XR(E)::S(D),XP(b)
- Refutation
- R(a);
- Try
- P(J);XB(g)
- Threat
- DUALS(3)
- Refutation
- R(c);XQ(H)
- Try
- P(K);XB(g)
- Threat
- DUALS(3)
- Vars
- R(c);XB(F)::P=Q
- R(c);::P=Q
- R(c);::QAR1(H)
- Refutation
- R(c);XQ(H)
- Try
- Actual
- S(G);
- Threat
- R(E)
- Vars
- R(a);OGATE,XP(A)::R(B),XR(a)
- R(c);N_GUARD,XB(F)::QAR1(H)
- R(c);XQ(H)::S(D),XR(c)
- B(g);OGATE,XP(J)::R1(E),XB(g)
- B(g);OGATE,XP(K)::QAR1(H),XB(g)
- P(b);XR(E)::S(D),XP(b)
Developed and maintained by Brian Stephenson.
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