MESON Chess Problem Database
Problem Display
PID: 65324 (Q1B5/2B3p1/1r2P1p1/4rkPp/3R4/2N2N1K/2n5/2b2R2 w - - 0 1)
Saunders, Denis M
The Problemist Supplement, 2006
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Rf4#
- 1...Re4
- 2.Qxe4#
- 1...Ra5
- 2.Qe4#
- 1...Reb5
- 2.Qe4#
- 1...Rc5
- 2.Qe4#
- 1...Rd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Rexe6
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...Bxg5
- 2.Sh4#
- 1...Re3
- Tries
- 1.Se4?
- threat
- 2.Sfd2#
- 2.Sh4#
- 2.Sg3#
- 1...Rxe4
- 2.Qxe4#
- 1...Bxg5
- 2.Sh4#
- 2.Sfxg5#
- 1...Sxd4
- 2.Sxd4#
- 2.Sh4#
- 1...Rb3
- 2.Sg3#
- 2.Sd6#
- 1...Bd2
- 2.Sfxd2#
- 2.Sh4#
- 2.Sg3#
- 1...Be3
- 2.Sh4#
- 2.Sg3#
- 1...Bf4
- 2.Sh4#
- 1...Se1
- 2.Sh4#
- 2.Sg3#
- 1...Se3
- 2.Sh4#
- 2.Sg3#
- 1...h4
- 2.Sfd2#
- 2.Sxh4#
- 1...Kf4!
- threat
- 1.Sd5?
- threat
- 2.Se7#
- 1...Rxd5
- 2.Qxd5#
- 1...Bxg5
- 2.Sh4#
- 1...Ba3
- 2.Rf4#
- 1...Sxd4!
- threat
- 1.Sxe5+?
- 1...Kxg5
- 2.Sf7#
- 1...Bf4!
- 1...Kxg5
- 1.Rf4+?
- 1...Kxf4
- 2.Qe4#
- 1...Bxf4!
- 1...Kxf4
- 1.Rg4?
- threat
- 2.Sd2#
- 2.Sd4#
- 2.Sh4#
- 1...Bxg5
- 2.Sd4#
- 2.Sh4#
- 2.Sxg5#
- 1...Bf4
- 2.Sh4#
- 1...Re1
- 2.Sd4#
- 2.Sh4#
- 1...Re2
- 2.Sd4#
- 2.Sh4#
- 1...Re3
- 2.Rf4#
- 1...Re4
- 2.Sd4#
- 2.Sh4#
- 2.Qxe4#
- 1...Rb4
- 2.Sd4#
- 2.Sh4#
- 1...Bd2
- 2.Sxd2#
- 2.Sd4#
- 2.Sh4#
- 1...Be3
- 2.Sd4#
- 2.Sh4#
- 1...Se1
- 2.Sd4#
- 2.Sh4#
- 1...Se3
- 2.Sd4#
- 2.Sh4#
- 1...Sd4
- 2.Sxd4#
- 2.Sh4#
- 1...h4
- 2.Sd2#
- 2.Sd4#
- 2.Sxh4#
- 1...hxg4+!
- threat
- 1.Rd8?
- threat
- 2.Rf8#
- 1...Kf4
- 2.Qe4#
- 1...Bxg5
- 2.Sd4#
- 2.Sh4#
- 1...Ba3!
- threat
- 1.Qd5?
- threat
- 2.Qxe5#
- 1...Rxd5
- 2.Rxd5#
- 1...Rb5
- 2.e7#
- 1...Bf4!
- threat
- 1.e7+?
- 1...Ree6
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...Rbe6!
- 1...Ree6
- 1.Se4?
- Keys
- 1.Rd7!
- threat
- 2.Rf7#
- 1...Kf4
- 2.Qe4#
- 1...Kxe6
- 2.Rxg7#
- 1...Bxg5
- 2.Sd4#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(c);P_PINS(C),S_CUTB(a)::R1(E)
- R(c);N_GUARD::QAB1(I),XR(c)
- R(c);N_GUARD::QAB1(I)
- B(a);SBLOCK,XP(F)::R(A)+S(C),DCHECK
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(c);OGATE,XS(B)::QAB1(I),XR(c)
- B(a);::S(C)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- S(B);
- Threat
- S(B)
- Vars
- R(c);OGATE,XS(B)::QAR2(I),XR(c)
- B(a);SBLOCK,XP(F)::R(A)+S(C),DCHECK
- B(a);N_GUARD::R1(E)
- Refutation
- S(b);XR(E)
- Try
- S(C);CHECK,XR(c)
- Vars
- K(d);P-FLIGHT,XP(F)::S(C)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(E);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINR(c),XR(E)::QAR1(I)
- Refutation
- B(a);XR(E)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- B(a);::S(C)
- R(c);P_PINS(C),S_CUTB(a)::R1(E)
- Refutation
- P(e);CHECK,XR(E)
- Try
- R(E);
- Threat
- R(E)
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAR1(I)
- Refutation
- B(a);
- Try
- Q(I);P_PINR(c)
- Threat
- QAR1(I),XR(c)
- Vars
- R(c);N_SPINR(c),OGATE,XQ(I)::R(E),XR(c)
- R(f);N_GUARD::B(J)+P(G)
- Refutation
- B(a);
- Try
- P(G);CHECK
- Refutation
- R(f);P_SPINR(f)
- Try
- Actual
- R(E);
- Threat
- R(E)
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAR1(I)
- K(d);OGATEB,S_FLIGHT,XP(G)::B(J)+R(E),XP(h)
- B(a);SBLOCK,XP(F)::R(A)+S(C),DCHECK
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