MESON Chess Problem Database

Problem Display
PID: 240338 (7q/1P6/3N4/R1P1P1Qp/3k1P2/2r5/1n1P1NB1/2Rn2K1 w - - 0 1)

Paslack, Rainer

Problem-Forum, 2004

7q/1P6/3N4/R1P1P1Qp/3k1P2/2r5/1n1P1NB1/2Rn2K1

#2

12 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Qxe5#
    • 1...Ra3
      • 2.Sb5#
      • 2.Sf5#
    • 1...Rb3
      • 2.Sf5#
    • 1...Rd3
      • 2.Sb5#
      • 2.Sf5#
    • 1...Re3
      • 2.Sb5#
      • 2.Sf5#
    • 1...Rg3
      • 2.Sb5#
      • 2.Sf5#
    • 1...Rh3
      • 2.Sb5#
      • 2.Sf5#
    • 1...Rc4
      • 2.Sf5#
    • 1...Rxc5
      • 2.Sf5#
    • 1...Se3
      • 2.dxc3#
    • 1...Sc4
      • 2.Sf5#
  • Tries
    • 1.Rxc3?
      • threat
        • 2.Sb5#
        • 2.Sf5#
      • 1...Qxe5
        • 2.Sb5#
        • 2.Qxe5#
      • 1...Qf6
        • 2.Sb5#
      • 1...Qh7
        • 2.Sb5#
      • 1...Qc8
        • 2.Sb5#
      • 1...Qe8
        • 2.Sf5#
      • 1...Qf8
        • 2.Sb5#
      • 1...Se3
        • 2.Sb5#
      • 1...Sc4
        • 2.Sf5#
        • 2.Rd3#
        • 2.Rxc4#
      • 1...Sxc3!
    • 1.c6?
      • threat
        • 2.Rd5#
      • 1...Qxe5
        • 2.Qxe5#
      • 1...Rf3
        • 2.Sf5#
      • 1...Rc5
        • 2.Sf5#
      • 1...Se3
        • 2.dxc3#
      • 1...Qg8!
  • Keys
    • 1.e6!
      • threat
        • 2.Qd5#
      • 1...Rxc5
        • 2.Qxc5#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Rf3
        • 2.Sb5#
      • 1...Se3
        • 2.dxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(f);OGATE,XP(I)::QAB1(J),XQ(f)
    • R(c);::S(K)
    • R(c);XP(H)::S(K)
    • S(a);N_GUARD,SBLOCK::P(C),XR(c)
    • S(b);SBLOCK::S(K)
  • Tries
    • Try
      • R(A);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • Q(f);::S(K)
        • S(a);::S(K)
      • Refutation
        • S(a);XR(A)
    • Try
      • P(H);
      • Threat
        • R1(G)
      • Vars
        • Q(f);OGATE,XP(I)::QAB1(J),XQ(f)
        • R(c);::S(K)
        • S(a);N_GUARD,SBLOCK::P(C),XR(c)
      • Refutation
        • Q(f);
  • Actual
    • P(I);
    • Threat
      • QAR1(J)
    • Vars
      • R(c);OGATE,XP(H)::QAB1(J),XR(c)
      • Q(f);N_GUARD::QAB1(J),XQ(f)
      • R(c);::S(K)
      • S(a);N_GUARD,SBLOCK::P(C),XR(c)
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