MESON Chess Problem Database

Problem Display
PID: 18334 (7K/nPNN3R/p2k4/4p1Bn/BP1bRp1q/2Qr2p1/8/2r2b2 w - - 0 1)

Paros, Gyorgy

1st Prize, Budapest Chess Club, 1955

7K/nPNN3R/p2k4/4p1Bn/BP1bRp1q/2Qr2p1/8/2r2b2

#2

10 + 12

5862 An ABC of Chess Problems 1970

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Be7#
    • 1...Qh2
      • 2.Be7#
    • 1...Qh3
      • 2.Be7#
    • 1...Qg4
      • 2.Be7#
    • 1...Bg1
      • 2.Qxe5#
    • 1...Bf2
      • 2.Qxe5#
    • 1...Be3
      • 2.Qxe5#
    • 1...Bc5
      • 2.Qxe5#
    • 1...Bb6
      • 2.Qxe5#
    • 1...Sc8
      • 2.bxc8S#
  • Tries
    • 1.Sxe5?
      • threat
        • 2.Rd7#
      • 1...Bxe5+
        • 2.Qxe5#
      • 1...Qh3
        • 2.Be7#
      • 1...Qg4
        • 2.Be7#
      • 1...Sf6
        • 2.Sc4#
        • 2.Sf7#
      • 1...Sg7
        • 2.Sf7#
      • 1...Bh3!
    • 1.Sb6?
      • threat
        • 2.Sc4#
        • 2.Rd7#
      • 1...Rcxc3
        • 2.Rd7#
      • 1...Rdxc3
        • 2.Rd7#
      • 1...Bxb6
        • 2.Rd7#
        • 2.Qxe5#
      • 1...Qh3
        • 2.Sc4#
        • 2.Be7#
      • 1...Qg4
        • 2.Sc4#
        • 2.Be7#
      • 1...Rdd1
        • 2.Rd7#
      • 1...Rd2
        • 2.Rd7#
      • 1...Re3
        • 2.Rd7#
      • 1...Rf3
        • 2.Rd7#
      • 1...Bh3
        • 2.Sc4#
      • 1...Sf6
        • 2.Sc4#
      • 1...Sb5
        • 2.Sc8#
        • 2.Rd7#
      • 1...Sg7!
  • Keys
    • 1.Rxe5!
      • threat
        • 2.Se8#
      • 1...Bxe5+
        • 2.Qxe5#
      • 1...Sf6
        • 2.Re6#
      • 1...Sg7
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(g);N_GUARD::B(E)
    • B(e);OGATE::QAB1(A),XP(h)
    • S(l);OGATE::PXS(l)=S
  • Tries
    • Try
      • S(H);P_SPINS(H),XP(h)
      • Threat
        • R1(I)
      • Vars
        • B(e);CHECK,OGATE,XS(H)::QAB1(A),XB(e)
        • Q(g);N_GUARD::B(E)
        • S(i);N_PINS(H),P_PINR(I)::S(H)
      • Refutation
        • B(b);
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XQ(A)::R1(I)
        • R(c);XQ(A)::R1(I)
        • R(c);::R1(I)
        • B(b);::S(H)
        • S(i);P_PINR(I)::S(H)
      • Refutation
        • S(i);P_PINR(I)
  • Actual
    • R(D);P_SPINR(D),XP(h)
    • Threat
      • S(G)
    • Vars
      • B(e);CHECK,OGATE,XR(D)::QAB1(A),XB(e)
      • S(i);N_PINR(D),P_PINR(I)::R1(D)
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